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ANALISIS PERCEPATAN TANAH MAKSIMUM DAN INTENSITAS GEMPA PADA GUNUNG ARJUNO-WELIRANG - LUMPUR LAPINDO KARTIKASARI, MARETA; MARYANTO, SUKIR; WAHYUDI, DWI
Physics Student Journal Vol 1, No 1 (2013)
Publisher : Department of Physics - Faculty of Science

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Telah dilakukan analisis nilai percepatan tanah maksimum dan intensitas gempa di daerah penelitian berdasarkan data historis gempa Jawa Timur dan sekitarnya selama 60 tahun terakhir. Berdasarkan hasil perhitungan secara empiris dengan fungsi atenuasi Fukushima dan Tanaka (1990) diperoleh nilai PGA (Peak Ground Acceleration) maksimum di daerah penelitian berkisar 13.95 gal â 20.85 gal dan intensitas gempa (MMI) berkisar III â IV. Di lokasi lumpur Sidoarjo (LUSI) mempunyai nilai PGA maksimum sebesar 15.10 gal. Di stasiun BMKG kelas II Tretes mempunyai nilai PGA maksimum sebesar 18.10 gal. Di Gunung Welirang mempunyai nilai PGA maksimum sebesar 19.11 gal. Di Gunung Arjuno mempunyai nilai PGA maksimum sebesar 19.44 gal. Berdasarkan hasil rekaman gempa bumi pada TDS (Tide Digital Seismograph) Stasioner 5.0, 4 dari 5 peristiwa gempa bumi lokal terjadi di daerah penelitian yang tidak jauh dari orientasi sesar watukosek. Salah satu gempa yang terjadi di Gunung Arjuno-Welirang dengan magnitudo 2.9 Ms dan kedalaman 10 km, menghasilkan percepatan tanah di daerah penelitian berkisar 5.07 gal â 27.15 gal dan intensitas gempa berkisar III-IV. Â Kata kunci: gempa bumi, percepatan tanah, intensitas gempa, Gunung Arjuno-Welirang, lumpur Sidoarjo

Purchasing Decisions For Halal Product Which Are Influenced By Religiosity, Knowledge, And Awarness Study at Sharia Economics Students At The University of Jember Wahyudi, Dwi; Wulandari, Deasy; Mahardiyanto, Agus; R. Khaleed, Syafiq Yazid
Al-Muraqabah: Journal of Management and Sharia Business Vol. 3 No. 2 (2023): Al-Muraqabah: Journal of Management and Sharia Business
Publisher : Sharia Business Management Study Program, Faculty of Economics and Islamic Business at IAIN Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30762/almuraqabah.v3i2.1211

This research was conducted to examine the influence of Religiosity, Knowledge and Awareness on Halal Purchase Intention Studies case of Islamic Economics Students at the University of Jember. This research focuses on students of the University's Islamic Economics Study Program who have purchased halal products. This research is classified as an explanatory research, using multiple linear regression analysis techniques which aim to determine the relationship between the variables of religiosity, knowledge and awareness of the purchasing decisions of halal products for Islamic Economics students at the University of Jember. Sampling was carried out using a non-probability sampling technique, namely purposive sampling with a sample size of 100 respondents. The results show that Religiosity, Knowledge and Awareness have a significant effect on the Decision to Purchase Halal Products of Islamic Economics students at the University of Jember.

Evaluation of Service Quality Through ITIL V3 Framework in the Service Design Domain (Case Study: Lazada Application) Atika, Nur; Akso, Rafian Tri; Wulandari, Arini; Mubarok, Fawaz Asyar; Abdurrahman, Indra Kurniawan; Wahyudi, Dwi; Tarwoto, Tarwoto
International Journal of Informatics and Information Systems Vol 7, No 1: January 2024
Publisher : International Journal of Informatics and Information Systems

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47738/ijiis.v7i1.188

In the era of globalization and business digitalization, improving the quality of customer service is a crucial aspect for company success. Companies that are able to provide optimal and responsive service tend to maintain customer satisfaction and compete effectively in an increasingly tight market. Therefore, the use of the Information Technology Infrastructure Library (ITIL) framework is a strong foundation for managing and improving service quality. This research focuses on analyzing service quality in the ITIL V3 Service Design domain, by applying this framework to a significant e-commerce application, namely Lazada. Lazada, as a leading platform in Southeast Asia, has been an example of providing superior customer experience through its services. This research explains the role of ITIL in managing service quality, with an emphasis on the Service Design domain. This study uses a combination of methods, including literature study, questionnaire survey of Lazada users, and observation of application infrastructure. The analysis results show that Lazada has reached a high level of maturity in ITIL V3 Domain Service Design, with all subdomains reaching maturity level 4. However, there is room for improvement, especially in information security. The conclusion shows that Lazada can continue to maintain customer satisfaction and competitiveness in a competitive market by continuing to improve service quality, especially in aspects found through gap analysis.

Digital Literacy-Based Entrepreneurial Education Strategies For Individuals With Disabilities in Mojokerto To Support SDGS on Social and Economic Inclusion Setyowati, Eko Mety; Wahyudi, Dwi; Sudarmiatin; Firmansyah, Rizky
Economics and Business Journal (ECBIS) Vol. 3 No. 1 (2024): November
Publisher : PT. Maju Malaqbi Makkarana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47353/ecbis.v3i1.163

Individuals with disabilities are often marginalized in accessing entrepreneurship education, limiting their economic opportunities. Digital literacy offers a solution to create entrepreneurial opportunities, aligning with technological advancements that promote social and economic inclusion. This study explores the development of digital literacy-based entrepreneurship education strategies for individuals with disabilities in Mojokerto. The innovation of this research lies in its integration of digital literacy with entrepreneurship education, a relatively underexplored approach. The study addresses the urgent need to increase participation of individuals with disabilities in the digital economy, in line with SDGs 8 and 10. Using a qualitative approach, the study conducted in-depth interviews and observations with individuals with disabilities and instructors. Findings show that digital literacy enhances participants' ability to engage in digital markets, understand online marketing, and use technology for business management. Participants reported greater self-confidence and the ability to start their own businesses after completing the program. The study underscores the need for a technology-based entrepreneurship curriculum and digital literacy training, to provide more inclusive and empowering opportunities for individuals with disabilities, supporting SDGs on social and economic inclusion

The Strategic Role of Family Business In Entrepreneurship Education For Students With Special Needs: An Indonesian Perspective Systematic Literature Review (SLR) Wahyudi, Dwi; Dwi Santoso; Chozin; Sunariyadi; Andy Prasetyo Wati; Ludi Wishnu Wardana
International Journal of Technology and Education Research Vol. 3 No. 02 (2025): April - June, International Journal of Technology and Education Research (IJET
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v3i02.1810

This research aims to systematically examine the strategic role of family businesses in entrepreneurship education for students with special needs in Indonesia. Entrepreneurship education has become an important approach to increase economic independence, especially for individuals with special needs who face challenges in accessing formal employment. Family business as a family-based economic unit has great potential as a contextualized, flexible and supportive means of entrepreneurship learning. This Systematic Literature Review (SLR) analyzes 25 relevant national and international journal articles, published between 2019-2025, with a focus on the integration of family business in entrepreneurship education for people with disabilities. The results show that family businesses can provide an inclusive learning environment, build practical skills, and strengthen family involvement in the education process. However, challenges still arise in the form of limited resources, access to training and supporting policies. This study recommends the need for collaboration between schools, families and government in designing a family business-based entrepreneurship curriculum that is adaptive to the needs of students with special needs. The findings make an important contribution to the development of a more inclusive and sustainable entrepreneurship education model in Indonesia.

Purchasing Decisions For Halal Product Which Are Influenced By Religiosity, Knowledge, And Awarness Study at Sharia Economics Students At The University of Jember Wahyudi, Dwi; Wulandari, Deasy; Mahardiyanto, Agus; R. Khaleed, Syafiq Yazid
Al-Muraqabah: Journal of Management and Sharia Business Vol. 3 No. 2 (2023): Al-Muraqabah: Journal of Management and Sharia Business
Publisher : Sharia Business Management Study Program, Faculty of Economics and Islamic Business at IAIN Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30762/almuraqabah.v3i2.1211

This research was conducted to examine the influence of Religiosity, Knowledge and Awareness on Halal Purchase Intention Studies case of Islamic Economics Students at the University of Jember. This research focuses on students of the University's Islamic Economics Study Program who have purchased halal products. This research is classified as an explanatory research, using multiple linear regression analysis techniques which aim to determine the relationship between the variables of religiosity, knowledge and awareness of the purchasing decisions of halal products for Islamic Economics students at the University of Jember. Sampling was carried out using a non-probability sampling technique, namely purposive sampling with a sample size of 100 respondents. The results show that Religiosity, Knowledge and Awareness have a significant effect on the Decision to Purchase Halal Products of Islamic Economics students at the University of Jember.

Using the TPACK Framework to Map Indonesian Secondary Science Teachersâ€™ Experiences in Conducting Laboratory Learning during the Covid-19 Pandemic Wahyudi, Dwi
Bioedusiana: Jurnal Pendidikan Biologi Vol 7, No 2 (2022): Bioedusiana
Publisher : Jurusan Pendidikan Biologi - Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/bioed.v7i2.5840

The Covid-19 pandemic brought some challenges to the continuity of educational activities around the world. In the Indonesian context, the government mandated the shift from face-to-face classrooms to online learning which burdened science teachers in maintaining laboratory instructions. Due to the closure of the schools, Indonesian secondary science teachers were forced to alter their methods of laboratory instruction by integrating digital technologies. Therefore, a qualitative methodology and a case study method were used to investigate the experiences of Indonesian secondary science teachers in conducting laboratory learning amid the Covid-19 outbreak. Moreover, the TPACK framework was utilised as a theoretical basis to map participantsâ€™ experiences. The data was obtained using semi-structured interviews with open-ended questions with two Indonesian secondary science teachers. The data then was analysed using a thematic analysis strategy to identify themes that emerged from the participantsâ€™ experiences. The emerging themes were choosing teaching content, teaching science concepts that require laboratory activities, using digital technology to facilitate students in conducting laboratory activities, using digital technology to assess studentsâ€™ laboratory learning outcomes, and facing challenges in integrating digital technology into laboratory teaching. These experiences were mapped into a number of TPACK knowledge domains, such as CK, PK, PCK, TK, TCK, TPK, and XK, using the TPACK framework as a guide. However, no indication of TPCK was found in the participantsâ€™ experiences.

ANALISIS PENDAPATAN USAHA TANI PADI SAWAH DI DESA BUKIT PENINJAUAN II KECAMATAN SUKARAJA KABUPATEN SELUMA Sarina; Wahyudi, Dwi; Fitria, Indah
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 23 No 2 (2025): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v23i2.5199

This study aims to determine the differences in rice farming revenue between farmers who join farmer groups and those who do not join farmer groups in Bukit Peninjauan II Village, Sukaraja District, Seluma Regency. Samples were taken from 18 farmers who join farmer groups and 23 farmers who do not join farmer groups. The research was conducted using primary and secondary data. Data analyzed are production costs, revenues, income, R/C ratio. The results of the study show that the average land area for farmers who join farmer groups is 0.67 ha, and those who do not join farmer groups is 0.52 ha. The revenue of farmers who join farmer groups is Rp. 16,486,194/ha, average production costs of Rp. 9,188,049/ha, average income of Rp. 7,298,144/ha and R/C ratio of 1.79. Meanwhile, farmers who do not join farmer groups receive revenue of Rp.18,215,969/ha, average production cost Rp. 9,942,882/ha, average income Rp. 8,273,086/ha and R/C ratio of 1.85.

Harnessing the Potential of the Blue Economy in Central Java: Mapping, Strategic Development, and Macroeconomic Analysis Ajeng Pangestika, Almira; Wahyudi, Dwi; Al Farizal Pulungan, Ridson
Proceedings of The International Conference on Data Science and Official Statistics Vol. 2025 No. 1 (2025): Proceedings of 2025 International Conference on Data Science and Official St
Publisher : Politeknik Statistika STIS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34123/icdsos.v2025i1.708

This study pioneers the mapping and analysis of the blue economy's potential across the 35 regencies/municipalities of Central Java by constructing a novel Blue Economy Index (BEI). Notably, this research is among the first in Indonesia to build the BEI using granular satellite data and digital sensor information, and to apply the Two-Step System GMM approach to dynamically analyze the factors influencing its development. This combination provides unprecedented sub national detail and robust insights into effective policy levers. The findings reveal significant disparities among the southern coastal, northern coastal, and non-coastal areas. The southern coastal regions exhibit higher BEI values compared to their northern coastal and non-coastal counterparts, which fall below the average. Results from the Two-Step System GMM regression analysis indicate that internet usage, infrastructure, and the COVID-19 period exert significant effects on the BEI. Specifically, infrastructure development, proxied by Nighttime Light (NTL), demonstrates a negative impact on the BEI, suggesting that environmentally unsustainable infrastructure may undermine the sustainability of the blue economy. Meanwhile, access to digital technology through internet usage plays a crucial role in fostering inclusive blue economy growth. Based on these findings, the proposed policy recommendations include optimizing environmentally friendly infrastructure development, leveraging digital technology to expand market access, and strengthening the resilience of the blue economy through Adaptive-Responsive-Innovative (ARI) crisis policies. Consequently, the development of the blue economy in Central Java is expected to enhance the sustainable welfare of coastal communities while fully optimizing the potential of coastal areas.

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