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Adaptasi Pakan Buatan Pada Beberapa Jenis Ikan Endemik Jambi Sebagai Tahap Awal Domestikasi Pangentasari, Dwinda; Harianto, Eko; Rahmadiah, Triayu; Nurjanah, Lilis; Nugrahawati, Anis; Mulyani, Rahma; Lestari, Sekar Yunita
Jurnal Akuakultur Sungai dan Danau Vol 10, No 2 (2025): Oktober
Publisher : Universitas Batangahari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/akuakultur.v10i2.298

Abstract

This study was conducted as an initial step in the domestication process of endemic fish in Jambi Province through an artificial feed adaptation approach. In addition, there is little data and research in Jambi Province that systematically discusses and tests artificial feed adaptation as part of domestication. This study aims to analyze the feed adaptation response in the cultivation of sepat fish (Trichopodus pectoralis), tambakan fish (Helostoma temminckii), and betok fish (Anabas testudineus) originating from the public waters of Kota Karang Village, Kumpeh Ulu District, Muaro Jambi as the initial stage of domestication. This study used a completely randomized design) with three treatments and three replicates. The treatments applied were different types of endemic Jambi fish, including sepat fish (T. pectoralis, treatment A), tambakan fish (H. temminckii, treatment B), and betok fish (A. testudineus, treatment C). The fish used in this study were wild fish obtained from public waters in Kota Karang Village, Kumpeh Ulu District, Muaro Jambi Regency. The average initial weight and length of sepat fish were 3.37±0.98 g and 6.32±1.52 cm, tambakan fish 7.65±0.74 g and 8.17±0.59 cm, and betok fish 8.03±1.13 g and 7.57±1.14 cm. Maintenance was carried out for 4 weeks, during which the test fish were fed artificial feed or commercial feed (39% protein). The feeding method was Ad-restricted. Feeding frequency is three times a day, namely in the morning, afternoon, and evening. The results of the study show that the SR value produced is 100% for all treatments. The highest PBM value is found in treatment A (sepat fish) at 1.34 g and the lowest PBM value is found in treatment C (betok fish) at 0.82 g. The highest PPM value was found in treatment A (sepat fish) at 1.12 cm, and the lowest PPM value was found in treatment B (tambakan fish) at 0.39 cm. The highest LPS value was found in treatment C (betok fish) at 6.40%/day, and the lowest LPS value was found in treatment A (sepat fish) at 3.54%/day. In general, the water quality parameters of the maintenance medium were suitable for the growth and survival of freshwater fish.
Penambahan Probiotik dalam Pakan Terhadap Pertumbuhan Benih Ikan Lele Sangkuriang (Clarias gariepinus) pada Sistem Karamba Jaring Tancap Safratilofa, Safratilofa; Rahmatullah, Miftahul; Harianto, Eko; Rolin, Febrina; Pangentasari, Dwinda; Maryani, Maryani; Munaeni, Waode
Jurnal Akuakultur Sungai dan Danau Vol 10, No 2 (2025): Oktober
Publisher : Universitas Batangahari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/akuakultur.v10i2.293

Abstract

This research aims to determine the effectiveness of adding probiotics at different doses in the rearing of Sangkuriang catfish (C. gariepinus) fry in a floating net system (KJT). The study was conducted for 40 days, from December 2024 to January 2025, at Pondok Pesantren Darul Ihsan Islamic Center, Muaro Jambi. A completely randomized design was used, consisting of four treatments with three replications: prpbiotics dose A (without probiotics), prpbiotics dose B (4 ml/kg), prpbiotics dose C (6 ml/kg), and prpbiotics dose D (8 ml/kg) of Raja Lele probiotic. The test fish used were Sangkuriang catfish fry with an initial weight of 5.46g–5.82g and a length of 8.38cm–8.63cm. The main test material was a liquid probiotic (Raja Lele). The rearing containers used were floating net cages measuring 1×1.5×1 meters. The observed parameters included growth, feed conversion ratio (FCR), survival rate (SR), and water quality. The results showed a significant increase in fish weight and length. The initial weight of 3.00g increased to 42.34g–45.91g, while the initial length of 6cm–8cm increased to 18.00cm–18.34cm. PBM ranged from 36.52g to 40.45g, PPM ranged from 9.37cm to 9.95cm, LPSB ranged from 6.84%/day to 7.36%/day, FCR ranged from 0.98 to 1.13, and SR ranged from 81.39% to 88.89%. Water quality remained within a suitable range for catfish cultivation. These results indicate that probiotics in feed have a positive effect on the growth and survival of Sangkuriang catfish
Studi Kelayakan Pengembangan Kawasan Budidaya Air Tawar di Kabupaten Tanjung Jabung Timur Sugihartono, Muhammad; Harianto, Eko; Ghofur, Muarofah
Jurnal Akuakultur Sungai dan Danau Vol 10, No 2 (2025): Oktober
Publisher : Universitas Batangahari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/akuakultur.v10i2.295

Abstract

Tanjung Jabung Timur Regency still has a relatively low fish production in Jambi Province, especially for freshwater fisheries, so there is still a high potential for increasing production. In order to increase fish production and the community's economy, it is necessary to conduct research related to the feasibility study of developing a freshwater fish farming area in the selected area. This research aims to select sites and assess the feasibility of developing freshwater aquaculture areas in Tanjung Jabung Timur Regency. The research was conducted over 8 months, from April to December 2022. There are three locations for the feasibility study of freshwater aquaculture area development, namely Talang Babat Village, Parit Culum II Village, and Rano Village, Sabak Barat Subdistrict, Tanjung Jabung Timur Regency. These three candidate locations are potential subdistricts in this regency that have generally been used (land use) for freshwater fish farming activities. The research was conducted by comparing the results of the suitability of the research parameters used between one candidate location and another. Several aspects of location suitability were used, including legal aspects, natural resources/technical aspects, artificial resources/infrastructure, socio-cultural aspects, and business/economic aspects. Based on the results of the semi-quantitative analysis, it was found that.
The Influence of Organizational Citizenship Behavior and Work-Life Balance on Employee Performance: The Mediating Role of Work Motivation Ramadhan, Fatkhurrozaq; Fitriati, Azmi; Harianto, Eko; Widhiandoro, Hengky
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 9 No 1 (2026): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v9i1.8528

Abstract

This study aims to examine the effect of Organizational Citizenship Behavior and Work-Life Balance on Employee Performance of Pondok Pesantren Modern Zamzam Muhammadiyah Cilongok, with work motivation as a mediating variable. This research is quantitative in nature, using primary data taken by distributing questionnaires. The population of this study was 311 people using the studied sampling technique. The results of this study indicate that organizational citizenship behavior has no significant and positive effect on employee performance, work-life balance has a significant and positive effect on employee performance, organizational citizenship behavior has a significant and positive effect on work motivation, work-life balance has a significant and positive effect on work motivation, organizational citizenship behavior has a significant and positive effect on performance, work motivation has an effect through work motivation, and work-life balance has a significant and positive effect on employee performance through work motivation.
Evaluasi Kinerja Pertumbuhan Benih Ikan Jelawat (Leptobarbus hoevenii) pada Sistem Budidaya Kolam Tanah Di Desa Tangkit Baru, Sungai Gelam, Jambi Bs. Monica Arfiana; Dwinda Pangentasari; Gilang Try Nugraha; Maya Ainun; Nabila Hervani; Eko Harianto
Jurnal Ilmu-ilmu Perikanan dan Budidaya Perairan Vol. 21 No. 1 (2026): Jurnal Ilmu-ilmu Perikanan dan Budidaya Perairan
Publisher : University of PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/jwg23633

Abstract

Budidaya ikan jelawat (Leptobarbus hoevenii) memiliki prospek yang baik seiring dengan tingginya permintaan pasar terhadap ikan tersebut. Sehingga diperlukan penelitian sebagai dasar untuk mengetahui kinerja pertumbuhan ikan jelawat dalam media pemeliharaan khususnya kolam tanah, untuk mencukupi kebutuhan ikan jelawat melalui kegiatan budidaya. Tujuan penelitian ini yaitu untuk mengetahui kinerja pertumbuhan benih ikan jelawat pada media kolam tanah di desa Tangkit Baru, Jambi. Penelitian ini dilaksanakan pada bulan September sampai Desember 2025 bertempat di Kelompok Pembudidaya Ikan usaha mandiri desa Tangkit Baru, Kecamatan Sungai Gelam Jambi, Kabupaten Muaro Jambi, Provinsi Jambi. Pemeliharaan benih ikan jelawat dilakukan pada kolam tanah dengan menggunakan hapa berukuran 2 m × 2 m × 1,5 m. Padat tebar benih sebanyak 586 ekor berukuran ±3 cm dan pemberian pakan dilakukan secara ad satiation menggunakan pakan PF 800 dengan kandungan protein 40%, lemak 6%, serat kasar 3%, dan abu 3%. Data yang diamati yaitu jumlah konsumsi pakan (JKP), pertumbuhan panjang mutlak (PPM), pertumbuhan berat mutlak (PBM), laju pertumbuhan spesifik (LPS), feed conversion ratio (FCR), efisiensi pakan (EP) dan survival rate (SR). Hasil penelitian menunjukkan nilai yang baik untuk pertumbuhan ikan jelawat dimana JKP sebesar 12.000 g, PPM 7,4 cm, WM 10.727.97g, LPS 0,05%, FCR 1,15, EP 87,2 % dan SR 94%. Hasil pengukuran kualitas air menunjukkan nilai suhu berkisar antara 27-31oC, DO 2,5-3,7 mg/L, pH 6,20-7,32, nitrit 0,1-0,2 mg/L dan nitrat 2-3 mg/L.   The cultivation of jelawat fish (Leptobarbus hoevenii) has good prospects due to the high market demand for this fish. Market demand for jelawat fish tends to increase over time, but most of it is met from seasonal catches in the wild. Therefore, research is needed as a basis to understand the growth performance of jelawat fish in cultivation media, particularly traditional ponds, to meet the demand for jelawat fish through aquaculture activities. The purpose of this study is to determine the growth performance of jelawat fish fry in traditional pond media in Tangkit Baru village, Sungai Gelam, Jambi. This study was conducted from September to December 2025 at the Independent Fish Farming Group (POKDAKAN) in Tangkit Baru village, Sungai Gelam district, Muaro Jambi Regency, Jambi Province. The maintenance of jelawat fish fry was carried out in traditional ponds using a hapa measuring 2 m × 2 m × 1.5 m. Seed stocking density was 586 individuals with a size ± 3 cm, and feeding was done to satiation using PF 800 feed with a content of 40% protein, 6% fat, 3% crude fiber, and 3% ash. The observed data were total feed consumption, absolute length growth, absolute weight growth, specific growth rate (SGR), feed conversion ratio (FCR), feed efficiency and survival rate (SR). The results showed good values for the growth of Jelawat fish, with total feed consumption 12,000 g, absolute length growth 7.4 cm, absolute weight growth 10.727,97g, SGR 0.05%, FCR 1.15, feed efficiency 87,2%, and SR  94%. Water quality measurements showed a temperature range of 27-31°C, DO 2.5-3.7 mg/L, pH 6.20-7.32, nitrite 0.1-0.2 mg/L, and nitrate 2-3 mg/L.
Qur’anic Communication Ethics as The Foundation for Intervention in Islamic Guidance and Counseling Harianto, Eko; Nasrudin, Nasrudin
Jurnal Studi Islam dan Kemuhammadiyahan (JASIKA) Vol. 6 No. 2 (2026)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jasika.v6i2.257

Abstract

This study examines the concept of communication ethics from a Qur'anic perspective, focusing on Islamic communication principles applied in daily life, particularly within family education and Islamic guidance and counseling. In Islam, ethics holds a paramount position, serving as the moral foundation for social interactions. Communication, regulated by the Qur'an, is governed by six main principles: qaulan sadidan (truthful), qaulan ma’rufan (good), qaulan balighan (profound), qaulan maysuran (accessible), qaulan layyinan (gentle), and qaulan kariman (noble). Using a library research method, the results indicate that applying these Qur'anic principles in family education and Islamic guidance and counseling fosters ethical character, harmonious relationships, and therapeutic effectiveness. Furthermore, this framework aligns with the progressive social initiatives of Muhammadiyah and Aisyiyah, particularly in institutionalizing mental health services and information jurisprudence (Fikih Informasi). The integration of these values is crucial for forming a civilized society and serves as a foundation for Islamic guidance and counseling oriented toward individual and collective well-being..
THE COMPATIBILITY OF OUTDOOR STUDY APPLICATION OF ENVIRONMENTAL SUBJECT USING PSYCHOLOGICAL THEORIES OF INTELLIGENCE AND MEANINGFUL LEARNING IN SENIOR HIGH SCHOOL Harianto, Eko; Nursalam, La Ode; Ikhsan, Fahrudi Ahwan; Zakaria, Z; Damhuri, D; Sejati, Andri Estining
Geosfera Indonesia Vol. 4 No. 2 (2019): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v4i2.9903

Abstract

The problem in this research relates to the learning theory that rarely considered as a basis in learning in Indonesia. learning plans and syllabus structure in the national curriculum is not included learning theory point. learning theory only has been less studied in the subjects in geography education undergraduate. This makes learning theory material less explored. Learning theory is also often forgotten in educational research undergraduate and postgraduate programs. Many research did not allude to the relevance of learning theory in learning. After graduating, they less develop or linking learning theory with the teaching profession. That condition makes learning essence should be strengthened to become weak or even disappear.This research aims to describe the compatibility when applying outdoor study environment subjects with the psychological theories of intelligence and meaningful learning theory in senior high school. This research used a qualitative methodology with the type of descriptive exploitative research. Data sources are students and geography teachers. The process of collecting data uses the method of observation and interviews. Data were analyzed with the 6 Cresswell's qualitative analyzing steps. The results show that the application of outdoor study is suitable both the psychological theories of intelligence and meaningful learning. The compatibility is reflected in the learning activities, there are: before, during, and after working in the outdoor. The teacher's ability to implement the basis of psychological theories of intelligence and meaningful learning makes learning more easily understood and meaningful for students. Keywords: meaningful learning, outdoor study, psychological theories. References Agra et al. (2019). Analysis of The Cocept of Meaningful Learning in Light of The Ausubel’s Theory. Rev Bras Enferm 72(1), 248-255. Anderson, L.W., & Krathwohl, D.R. (2015). Kerangka Landasan untuk Pembelajaran, Pengajaran, dan Asesmen Revisi Taksonomi Pendidikan Bloom (Translate. Priantoro, A.). Yogyakarta: Pustaka Pelajar. Arikunto, S. (2016). Prosedur Penelitian Suatu Pendekatan Praktik. Jakarta: Rineka Cipta. Arsyad, A. (2014). Media Pembelajaran. Jakarta: PT Raja Grafindo Persada. Badakar, C.M et al. (2017). Evaluation of The Relevance of Piaget’s Cognitive Principles among Parented and Orphan Children in Belagavi City, Karnataka, India: A Comparative Study. Int J Clin Prediatr Dent. 10(4), 356-350. Becker et al. (2017). Effects of Regular Classes in Outdoor Education Settings: A Systematic Review on Student’s Learning, Social and Health Dimensions. International Journal of Environmental Research and Public Health 14(5), 485 1-20. Boyes, M & Potter, T. (2015). The Application of Recognition-Primed Decision Theory to Decisions Made in An Outdoor Education Contect. Australian of Outdoor Education 18(1), 2-15. Cooper, A. (2015). Nature and The Outdoor Learning Environtment: The Forgotten Resource in Early Childhood Education. International Journal of Early Chilhood Environmental Education 3(1), 85-97. Cresswell, J.W. (2016). Research Design Pendekatan Kualitatif, Kuantitatif, dan Mixed. Yogyakarta: Pustaka Pelajar. Dillon, J. et al. (2017). Toward a Convergence between Science and Environmental Education. Abigdon: Taylor & Francis. Ensar, f. (2014). How Children Construct Literacy: Piagetian Perspective. International Journal of Secondary Education 2(2), 34-39. Erika, S. & Satu, U. (2018). Transformational Elements for Learning Outdoors in Finland: A Review of Research Literature. International Journal of Research Studies in Education 7(3), 73-84. Gilchrist, M., Passy, R., Waite, S. & Cook, R. (2016). Exploring School’s Use of Natural Spaces. Risk,Protection, Provision and Policy 12, 1-24. Ginsburg, H.P & Opper, S. (2016). Piaget’s Theory of Intellectual Development. Kennedy: International Psychoterapy Institute E-Books. Gough, N. (2016). Australian Outdoor (and) Environmental Education Research: Senses of ‘Place’ in Two Constituencies. Journal of Outdoor and Environmental Education 19(2), 1-11. Gunarsa, S.D. & Nigsih, Y. (2014). Psikologi Perkembangan Anak dan Remaja. Jakarta: PT TBK Gunung Mulia. Harsolumakso, A.H et al. (2019). Geology of The Eastern Part of The Volcanic-Kendeng Zone of East Java: Stratigraphy, Structures, and Sedimentation Review from Besuki and Situbondo Areas. Journal of Geology and Mineral Resources 20(3), 143-152. Hebe, H.N. (2017). Towards a Theory-driveb Integration of Environmental Education: The Application of Piaget and Vygotsky in Grade R. International Journal of Environmental & Science Education 12(6), 1525-1545. Levy, D., Peralta, T.M., Pozzi, L., & Tovar, P. (2018). Teachers Multidimensional Role Towards Meaningful Learning: The Potential Value of Interdisciplinary Environments. International Journal for Innovation Education and Research 6(2), 179-187. Miles, B & Mattchow, B. (2015). The Mirror of The Sea: Narrative Identity, Sea Kayak Adventuring and Implications for Outdoor Adventure Education. Australian of Outdoor Education 18(1), 16-26. Moleong, L. (2014). Metodologi Penelitian Kualitatif Edisi Revisi. Bandung: PT. Remaja Rosdakarya. Muhsin, A., Febriany, L.M., Hidayati, H.N., & Purwanti, Y.D. (2015). Material Bambu sebagai Konstruksi pada Great Hall Eco Campus Outward Bound Indonesia. Jurnal Reka Karsa 3 (3), 1-11. Prasetya, S.P. (2014). Media Pembelajaran Geografi. Yogyakarta: Penerbit Ombak. Rowe, N., Dadswell, R., Mudie, C., & Rauworth, M. (2014). Tall Ships Today: Their Remarkable Story. London: Adlard Coles Nautical. Sejati et al. (2017). The effect of Outdoor Study on the Geography Scientific Research Writing Ability to Construct Student Character in Senior High School. Social Sience, Education, and Humanities Research 100, 104-108. Spillman, D. (2017). Coming Home to Place: Aboriginal Lore and Place-Responsive Pedagogy for Transformative Learning in Australian Outdoor Education. Journal of Outdoor and Environmental Education 20(1), 14-24. Sudjana, N. & Rivai, A. (2015). Media Pengajaran Cetakan Ke-12 . Bandung: Sinar Baru Algensindo. Sumarmi. (2015). Model-model Pembelajaran Geografi. Malang: Aditya Media Publishing. Thomas, G.J. (2019). Effective Teaching and Learning Strategies in Outdoor Education: Findings from Two Residential Programmes Based in Australia. Journal of Adventure Education and Outdoor Learning 19(3), 242-255. Voogt, J. & Knezek, G. (2015). Guest Editorial: Technology Enhanced Quality Education for All-Outcomes from EDUsummIT 2015. Educational Technology & Society 19(3), 1-4. Zhou, M. & Brown, D. (2015). Educational Learning Theories: 2nd Edition.Georgina: Galileo Open Learning Materials. Copyright (c) 2019 Geosfera Indonesia Journal and Department of Geography Education, University of Jember This work is licensed under a Creative Commons Attribution-Share A like 4.0 International License
Mapping of Subsurface Geological Structure and Land Cover Using Microgravity Techniques for Geography and Geophysic Surveys: A Case Study of Maluri Park, Malaysia Nursalam, La Ode; Arisona, A; Ramli, R; Harudu, La; Kasmiati, Sitti; Harianto, Eko; Ikhsan, Fahrudi Ahwan; Sejati, Andri Estining
Geosfera Indonesia Vol. 4 No. 3 (2019): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v4i3.13738

Abstract

A microgravity investigation on bedrock topography was conducted at Maluri park reference level in Kuala Lumpur, Malaysia. The study aim to mapping the near-surface structure and soil and land cover distribution for geography and geophysics surveys. Two types of cross-section modeling of the residual anomaly generated the MaluriBouguer Anomaly model for site-1 and site-2 at Maluri Park. The 2D microgravity models produced the contour map, displaying the characterization due to density contrast in rock types while mapping the subsurface geological structure at different depths. Moreover, a synthetic model was initiated with the assumption of lateral distance on the left and right sides taken at 50 m and a depth of 60 m. The results of modeling confirmed that the soil and rock type composition on both models site tests are topsoil (1.1 to 1.92 g/cm3), soil (1.8 g/cm3), clay (1.63 g/cm3), gravel (1.7 g/cm3), sand (2.0 g/cm3), shale (2.4 g/cm3), sandstone (2.76 g/cm3), and limestone (2.9 g/cm3). The 2D gravity modeling using two model site tests obtained a correspondence with the observed microgravity data. Keywords: Bouguer anomaly, limestone, microgravity, soil structure, topography. References Amaluddin, L. O., Rahmat, R., Surdin, S., Ramadhan, M. I., Hidayat, D. N., Purwana, I. G., & Fayanto, S. (2019). The Effectiveness of Outdoor Learning in Improving Spatial Intelligence. Journal for the Education of Gifted Young Scientists, 7(3), 667–680. https://doi.org/10.17478/jegys.613987 Arisona,A., Mohd N., Amin E.K., &Abdullahi, A.(2018).Assessment of microgravity anomalies of soil structure for geotechnical 2d models.Journal of Geoscience, Engineering, Environment, and Technology (JGEET)3(3), 151-154. Georgsson, L.S. (2009). Geophysical Methotds Used in Geothermal Exploration. Presented at Exploration for Geothermal Resources, 1-22 November 2009, 1-16. Grandjean, G. (2009). From Geophysical Parameters to Soil Characteristics.Florida: Report N°BRGM/FP7-DIGISOIL Project Deliverable 2.1, Final ReportDepartment of Civil and Coastal EngineeringUniversity of Florida. Hiltunen, D.R., Hudyma,N.,Tran,K.T.,&Sarno,A.I. (2012).Geophysical Testing of Rock and Its Relationthipsto Physical Properties.Florida:Final ReportDepartment ofCivil and Coastal EngineeringUniversity ofFlorida. Kirsch,R. (2006).GroundwaterGeophysics, ATool for Hydrogeology.New York: Springer. Kamal,H.,Taha,M.,&Al-Sanad,S. (2010). Geoenvironmental Engineering and Geotechnics, GeoShanghai 2010 International Conference. (accessed 02.03.17) Lilie, R.J. (1999).Whole Earth Geophysics: An Introductory Textbook for Geologists and Geophysicists. New Jersey:Prentice-HallInc. Pringle, J.K., Styles, P., Howell, C.P.,Branston, M.W., Furner, R., &Toon,S.M. (2012). Long-term time-lapse microgravity and geotechnical monitoring of relict salt mines, marston, cheshire, uk. Geophysic77(6), 165-171. Samsudin, H.T.(2003).A microgravity survey over deep limestone bedrock.Bulletin of Geological Society of Malaysia4(6), 201-208. Tan, S.M. (2005). Karsticfeatures of kualalumpur limestone. Bulletin of the Institution of EnginnerMalaysia 4(7), 6-11. Tajuddin, A.&Lat, C.N. (2004).Detecting subsurfacevoids using the microgravity method, a case study from kualalipis, pahang.Bulletin of Geological Society of Malaysia 3(48), 31-35. Tuckwell, G., Grossey, T., Owen, S., & Stearns, P. (2008). The use of microgravity to detect small distributed voids and low-density ground. Quarterly Journal of Engineering Geology and Hydrogeology, 41(3), 371–380. https://doi.org/10.1144/1470-9236/07-224 Wanjohi, A.W. (2014). Geophysical Field Mapping. Presented at Exploration for Geothermal Resources, 2-23 November 2014, 1-9. Yusoff , Z.M., Raju,G. &Nahazanan, H.(2016).Static and dynamic behaviour of kualalumpur limestone. Malaysian Journal of Civil Engineering Special Issue Vol.28 (1), p.:18-25. Zabidi, H. & De Freitas, M.H. (2011).Re-evaluation of rock core logging for the prediction of preferred orientations of karst in the kualalumpur limestone formation. Engineering Geology, 117(3-4), p.: 159–169. Copyright (c) 2019 Geosfera Indonesia Journal and Department of Geography Education, University of Jember This work is licensed under a Creative Commons Attribution-Share A like 4.0 International License
Co-Authors Abdul Rahman Agus Oman Sudrajat alders paliling Aldi Aldi Ananda, Siti Hadrayanti Andri Estining Sejati Anis Nugrahawati Anisa Pertiwi Arifin, M Yusuf Aris Fauzan, Aris Arisona, A AS Aku, AS Aslan, La Ode M. Azam Syukur Rahmatullah, Azam Syukur B Heltonika Basrawi Bs. Monica Arfiana Charles Rangkuti Damhuri, D Dilla, Risma Dita Yuzianah Dwinda Pangentasari Eddy Supriyono Eka Supriatna Fahrudi Ahwan Ikhsan Febrina Rolin Fitriati, Azmi Gilang Try Nugraha H.A Sahusilawane Halil, Nur Ihsan Harapin Hafid H. Ir. HJ. Rahmidiyani MS, Ir. HJ. Rahmidiyani MS Irzal Efendi Isnaeni Maryam Iyan Nurdiyan Haris Kencono , Dewi Sekar La Harudu La Ode Nursalam, La Ode Lestari, Sekar Yunita Lilis Nurjanah M Sugihartono Maryani, Maryani Mas Tri Djoko Sunarno, Mas Tri Djoko Maya Ainun Mia Setiawati Muarofah Ghofur Muarofah Ghofur Muarofah Ghofur, Muarofah Muhammad Anis Muhammad Muhammad Muhammad Sugihartono, Muhammad Mulyani, Rahma Munisa, Munisa Muslim Muslim Nabila Hervani Nasrudin Nur Bambang Priyo Utomo Pangentasari, Dwinda Pratiwi, Arby.in R Rifai Radian Radian Rahmadi, Fuji Rahmatullah, Miftahul Ramadhan, Fatkhurrozaq Ramli, R Reskiawan, Bimas - Ridwan Affandi RIDWAN AFFANDI Rina Wijayanti Ruslaini Ruslaini Rustam Ependi S. Toba, Rachmita Dewi Sabilu, Kadir Safratilofa Safratilofa Safratilofa Safratilofa, Safratilofa Salma Rozana Saputra, I Gede Purwana Edi Satria Panuntun Shalaby, Mohammed Nader Sitti Kasmiati Subhan Subhan Taiar, Redha Tatag Budiardi Triayu Rahmadiah Tundreng, Syarifuddin Uray Gustian, Uray W.W Wardhani Wahyu Pratama Wanodya Kusumastuti WAODE MUNAENI Widhiandoro, Hengky Widyaning Hapsari Y. Hadiroseyani Zakaria, Z Zulfanita