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All Journal International Journal of Electrical and Computer Engineering Jurnal Civics: Media Kajian Kewarganegaraan Nurse Media Journal of Nursing Jurnal Pendidikan Kimia Indonesia Teknik Sipil dan Arsitektur Journal of the Indonesian Mathematical Society Jurnal Pendidikan dan Pemberdayaan Masyarakat Erudio: Journal of Educational Innovation BIOTIK: Jurnal Ilmiah Biologi Teknologi dan Kependidikan Jurnal Riset Kimia Jurnal Tadris Kimiya Science and Technology Indonesia Sistemasi: Jurnal Sistem Informasi Alotrop Jurnal Pendidikan dan Ilmu Kimia Al Ishlah Jurnal Pendidikan Civil Engineering Journal Adi Widya : Jurnal Pengabdian Masyarakat BAREKENG: Jurnal Ilmu Matematika dan Terapan Jurnal Pendidikan Kimia (JPKim) IJCER (International Journal of Chemistry Education Research) Triadik PENDIPA Journal of Science Education Communication in Biomathematical Sciences PROSIDING SEMINAR NASIONAL PROGRAM PASCASARJANA JURNAL PENDIDIKAN TAMBUSAI GERVASI: Jurnal Pengabdian kepada Masyarakat Jurnal Teknologi Pertanian Andalas Faktor Jurnal Ilmiah Kependidikan Best Journal (Biology Education, Sains and Technology) Chemistry Education Practice Acta Chimica Asiana Jurnal Teknodik Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS Masyarakat Berdaya dan Inovasi Bubungan Tinggi: Jurnal Pengabdian Masyarakat International Journal of Asian Education Journal of Educational Chemistry (JEC) Jurnal Teknik Sipil dan Arsitektur SEMAR Jurnal Manajemen Pendidikan dan Ilmu Sosial (JMPIS) Media Komunikasi Dunia Ilmu Sipil (MoDuluS) IJORER : International Journal of Recent Educational Research TRIBUTE: JOURNAL OF COMMUNITY SERVICES Jurnal Teknik Sipil Giratory Upgris Matriks Teknik Sipil PAKDEMAS : Jurnal Pengabdian Kepada Masyarakat DIKSAINS : Jurnal Ilmiah Pendidikan Sains Jurnal PADAMU NEGERI (Pengabdian pada Masyarakat Bidang Eksakta) Dulang: Jurnal Pengabdian Kepada Masyarakat Prosiding Seminar Nasional Pengabdian Kepada Masyarakat AL-MASHALIH (Journal of Islamic Law) MASALIQ: Jurnal Pendidikan dan Sains Sejahtera: Jurnal Inspirasi Mengabdi Untuk Negeri LACULTOUR: Journal of Language and Cultural Tourism MULTIPLE: Journal of Global and Multidisciplinary Salus Publica Jurnal Widya Climago Jurnal Media Akademik (JMA) Andromeda: Jurnal Pengabdian Masyarakat Rafflesia ENVIRO: Journal of Tropical Environmental Research International Journal of Sustainable Building, Infrastructure and Environment Jurnal Intelek Dan Cendikiawan Nusantara Jurnal Kualitas Pendidikan Holistik Jurnal Kesehatan Jurnal Intelek Insan Cendikia Jurnal Medika: Medika Berkala Forum Studi Transportasi antar Perguruan Tinggi AT-TAKLIM: Jurnal Pendidikan Multidisiplin JAMBIS : Jurnal Administrasi Bisnis Gawi: Journal of Action Research DIDAKTIKA IJIS Edu : Indonesian Journal of Integrated Science Education Outline Journal of Community Development Berita Biologi KARISMAS - JURNAL PENGABDIAN KARYA INOVASI MASYARAKAT
Dewi Handayani
Universitas Bengkulu
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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APLIKASI WOOD PLACTIC COMPOSITE SEBAGAI PEREDAM KEBISINGAN AKTIVITAS JALAN KERETA API MODEL KRISTAL SONIK PERSEGI Handayani, Dewi; Soeryodarundio, Koosdaryanti; Savira, Syafa Maajid
Jurnal Teknik Sipil Giratory UPGRIS Vol 6, No 1: Juni 2025
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v6i1.24094

Abstract

Noise is an unwanted sound from an activity over a period of time that can interfere with human health and environmental comfort. One of the noise caused by transportation activities is train noise. To reduce the noise, it can be achieved by building a noise dampening building between the railroad and the residential area. An attempt to create a sustainable noise reducer is Wood Platic Composite (WPC) which is made in the form of sonic crystals. This research aims to analyze the potential application of WPC with square sonic crystal model as a noise reducer for railway activities. This research uses an experimental method conducted in a residential area near the railroad tracks by testing the sound intensity of sonic crystals made from square lattice WPC with a diameter of 8.2 cm and a height of 2 meters. The test was conducted by placing the sonic crystal 3 meters away from the railroad axle, while the Sound Level Meter (SLM) was placed 1, 2, and 3 meters behind the sonic crystal. The method of data collection and analysis in this study used the Ministry of Environment No. 48 of 1996. The results showed that the sonic crystal made from square lattice WPC can reduce noise by 13.54%.
Efektivitas Daun Jeruk Kalamansi (Citrofortunella microcarpa) sebagai Insektisida Alami terhadap Kecoa (Periplaneta americana) Lestari, Rena; Sutarno; Astuti, Annisa Puji; Parlindungan, Deni; Handayani, Dewi
Biotik Vol 14 No 2 (2026): JURNAL BIOTIK
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/biotik.v14i2.34881

Abstract

Synthetic insecticides used to eradicate cockroaches leads to ecosystem damage and pest resistance, so there need environmental friendly natural insecticides. This study aims to evaluate the effectiveness of calamansi leaf extract (Citrofortunella microcarpa) as a natural insecticide against the American cockroach (Periplaneta americana). The leaves of C. microcarpa were extracted using the maceration method with 96% ethanol. The extract was prepared in 5 (five) concentrations: 20%, 40%, 60%, 80%, and 90%. Its effectiveness was tested using a spraying method and observed over 9 (nine) hours  on the trial. The data shows decreased in the activity of P. americana and morphological changes that ultimately led to death. Mortality data were analyzed using probit analysis to determine the LC₅₀ value. The phytochemical screening of leaf C. microcarpa extract revealed the presence of tannins, saponins, flavonoids, and alkaloids. The leaf C. microcarpa extract was effective in killing P. americana, with mortality rates of 33%, 83%, 100%, 100%, and 100% at concentrations of 20%, 40%, 60%, 80%, and 90%, respectively, and an LC₅₀ of 23.85%. Leaf C. Microcarpa extract containing tannins, saponins, flavonoids, and alkaloids. The 60% concentration demonstrated the highest effectiveness in increasing the mortality rate of P. americana. Keyword:Citrofortunella microcarpa; Periplaneta americana; Natural Insecticide; Mortality.
Training on the Utilization of Green Grass Jelly For Food and Beverage Ingredients: Participatory Training-Based Intervention Sutiharni Sutiharni; Dewi Handayani; Indriyani Indriyani; Najirah Umar; Mulono Apriyanto; Citra Indriyati; Bestfy Anitasar; Siti Rahmah Hidayatullah Lubis; Lukman Handoko
Jurnal Medika: Medika Vol. 4 No. 3 (2025)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/8z0kh213

Abstract

This community service program aimed to empower local communities by enhancing their knowledge and skills in utilizing green grass jelly (Cyclea barbata Miers) as an alternative ingredient for healthy food and beverage products. Conducted over three days, the training involved 12 participants with diverse backgrounds, including homemakers, youth, and micro-entrepreneurs. The program adopted a participatory training approach that combined theoretical knowledge with hands-on practice, including plant identification, jelly extraction techniques, hygiene practices, and product innovation. Pre- and post-training assessments revealed significant improvement in participants’ understanding and abilities. Initially, only 25% of participants were familiar with the plant's benefits and usage. After the training, 100% of participants demonstrated comprehension of the nutritional value and processing methods, and 75% successfully created product variants such as fruit-infused jelly drinks and herbal puddings. The training encouraged creativity and showed the potential of green grass jelly as a sustainable, low-cost, and health-promoting ingredient suitable for micro-entrepreneurial ventures. The program concluded that community-based food innovation training can serve as an effective model for promoting local resources, enhancing food security, and developing rural economies. It also emphasized the importance of combining traditional knowledge with modern food processing techniques to generate added value and marketable products.
Analysis Implementation of The TPACK Approach by High School Chemistry Teachers Dewi Handayani; Alexon Alexon
Gawi: Journal of Action Research Vol. 5 No. 2 (2025)
Publisher : Borneo Research and Education Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59329/gawi.v5i2.277

Abstract

The aim of this research is to study the TPACK skills of chemistry teachers at state high schools in Bengkulu City. The questionnaire results showed that all aspects of TPACK were in the excellent category (mean 85.96%). However, the results of the observations were lower than expected overall, particularly for TK, TCK, and TPACK aspects, which were still considered fair to good. This signals a disconnect between teacher beliefs and the in-class execution. Supporting factors for TPACK implementation include school support, facilities, and teacher motivation, while hindering factors include limited student device ownership, limited internet connectivity, and limited learning time. Therefore, the application of TPACK by chemistry teachers is well implemented but could be further improved by creating technology that is more consistent across learning activities.
Peningkatan Aktivitas dan Hasil Belajar Peserta Didik Melalui Penerapan Model Project Based Learning Berbantuan E-LKPD Yolanda Afrianti; Dewi Handayani; Puspa Darti
DIDAKTIKA Vol. 1 No. 2 (2023): October 2023
Publisher : Lombok Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63757/jptk.v1i2.8

Abstract

Penelitian ini bertujuan untuk meningkatkan aktivitas dan hasil belajar peserta didik dengan menerapkan model pembelajaran Project Based Learning berbantuan Lembar Kerja Peserta Didik Elektronik. Penelitian ini merupakan penelitian tindakan kelas yang dilaksanakan sebanyak 2 siklus. Setiap siklus terdiri dari perencanaan, tindakan, observasi, dan refleksi. Subjek penelitian adalah 29 peserta didik kelas XI IPA 6 SMAN 1 Kota Bengkulu tahun ajaran 2022/2023. Data aktivitas peserta didik dikumpulkan melalui lembar observasi aktivitas peserta didik dan data hasil belajar dikumpulkan melalui lembar observasi proyek dan posttest. Data selanjutnya dianalisis melalui statistik deskriptif berupa persentase. Hasil penelitian menunjukkan bahwa  persentase aktivitas peserta didik meningkat dari 59% pada siklus I menjadi 86% pada siklus II. Sedangkan, persentase ketuntasan klasikal hasil belajar meningkat dari 59% pada siklus I menjadi 90% pada siklus II. Hasil tersebut, menunjukkan bahwa penerapan model PjBL berbantuan E-LKPD dapat meningkatkan aktivitas peserta didik pada pembelajaran dan hasil belajar peserta didik kelas XI IPA 6 SMAN 1 Kota Bengkulu.
Pengaruh Penggunaan Aplikasi Kahoot! terhadap Minat Belajar Siswa pada Mata Pelajaran Sejarah Kebudayaan Islam (SKI) di MAN 1 Kota Bogor Dewi Handayani; Santi Lisnawati; Abristadevi Abristadevi
MASALIQ Vol 5 No 3 (2025): MASALIQ: Jurnal Pendidikan dan Sains
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i3.5754

Abstract

This study is motivated by the limited research on the low interest in learning among students in the subject of Islamic Cultural History, despite the fact that this phenomenon has a significant impact on education. The purpose of this research is to investigate the effect of the Kahoot! application on student interest in the subject of Islamic Cultural History (Sejarah Kebudayaan Islam, SKI) in the twelfth grade at Madrasah Aliyah Negeri 1 Kota Bogor. The method used is quantitative with a quasi-experimental approach and a non-equivalent design, with a sample of 60 students selected through purposive sampling. Data were collected using a learning interest questionnaire instrument designed to measure student engagement, interest, attention, and enjoyment, and were analyzed using an independent sample t-test. The results indicate that there is a significant effect of the Kahoot! application on student interest in the SKI subject for twelfth grade at MAN 1 Kota Bogor. The main conclusion of this study is that the analysis results from the independent sample t-test using SPSS 26.0 show that Kahoot! is an effective interactive learning tool for increasing student interest, evidenced by higher evaluation scores in the experimental class. Therefore, Kahoot! is recommended as an alternative for teaching SKI as it creates a fun and engaging learning environment. The implications of this research encompass theoretical aspects, where this study contributes to strengthening the theory regarding the importance of interactive learning media in enhancing student interest, as well as practical aspects for teachers, where the use of Kahoot! can be a fun teaching strategy that improves student engagement in the classroom. These findings can serve as a basis for schools or educational institutions to integrate interactive digital media into the curriculum, especially in technology-based learning.
Co-Authors Aang Parade Abditama Srifitriani Abdul Karim Syahputra Abdullah, Rosazlin Abristadevi Abristadevi Ade Firmansyah Ade Tri Hartawi Adelia Putri Khaila Aditia, Mia Maysella Afrizal Mayub Agung Pratama, Deka Agus Sundaryono Agustiningtias, Wardah Izzati Ahmad Fadli Zil Ikram aip saripudin Alamsyah, Muhammad Duta Alexon Alexon Alexon Alexon Alhamd, Laode Alimansyah, Alimansyah Amida, Nadia Amiliah Amiliah Amir, Hermasyah Amrul Bahar Amrul Bahar Amrul Bahar Andrian Waluya Adi Annisa Luthfiah Apri Fajar Susmiati Apri, Mochamad Apria Haja Krisma Apriyoanda, Hadi Apriyudha, Ryan Areski Febriani Arianto, Tezar Arif, Arifuddin M. Asrini Batubara, Azzahra Rezekina ASTUTI, ANNISA PUJI Aulia, Salsabila Aysa Arfianti Beringin Jaya Munthe Bestfy Anitasar Budiyanto Budiyanto Budiyanto Budiyanto Caniago, Khairunnisa Cici Romayanti Citra Dwi Palenti Citra Indriyati Dewi Jumiarni Dewi Turgarini  Deza Oktasila Dhea Prasiwi Dian Kartika Sari Dian Permata Sari Diana R. Eddy Diana Sumiati Diani Magasida Diska Vera Santi Diska Verasanti Djumari Djumari E Koagouw, Joanes Eduwin Saputra Elsa Putri Agustina Elvinawati Elvinawati Elvinawati Elvinawati Elvinawati Elza, Puteri Amelia Emilia Candrawati Endang Tjahjaniningsih Endang Widi Winarni Endang Widi Winarni Erlangga, Muhammad Fadhil Ernis, Gustria Erva Rosa Prima Gayatri Febrian Solikhin Fitria, Rani Fuji Ramadenti Gunadi, Audri Utami Hafiz Maulana, Hafiz Handayani, Masitah Hendri Bustamam Hepriyeni, Yesi Hermansyah Amir Hermansyah Amir Hermansyah Amir Hermansyah Amir, Hermansyah Hidayah Mahmudah, Amirotul Musthofiah I Nyoman Candra I Nyoman Chandra Ilonka, Willy Anastasya Imam Masqotul Imam Romadlani Imanah, Ladisa Fergie Indriani, Rini Indriyani Indriyani Irma Sari Isnaini Safitri Isnaini Safitri Isnaini, Izattul Janson Naiborhu Jelita Jertadi Putri Dhani Johanes Sapri Julia Sarfina Julita Sari Kharis Triyono Khozin Mu'tamar Khuzaini KINTAMANI, ENDANG Krisnanda, Cesario Alvian Kristiawan, Stefanus A. Kurnia, Nina Laialatur rohimah Lailatul Muarofah Hanim Lena Rahmidar Liis Panggabean Lubis, Ramadan Lukman Handoko M. Lutfi Firdaus Mahmudah, Amirotul M. H. Mahmudah, Amirotul M.H Mantiko Parbo Maulana Maqfiroh, Siti Lailiyatul Marniza Marpaung, Sri Rizki Azzakia Mega Ilhamiwati Melani, Iim Mellyta Uliyandari Uliyandari Merkuria Karyantina Mestiragita, Yeptin Pra Mimi Sutrawati Mimi Sutrawati Moga Kurnia Muhamad Diki Permana Muhammad Mukhlisin Alfaro Muhammad Robi Muhammad Syafii Muharrom, Mumuh Mulono Apriyanto Muzanip Alperi Muzanip Alperi Muzanip Alperi Muzanip Alperi Muzanip Alperi Muzanip Alperi Muzanip Alperi, Muzanip Nabilah Diomara Nadia Amida Nadia Amida Nadya Dirma Wahyuni Najirah Umar Najmah, Najmah Nana Noviyanti Nengsih, Ersa Agusti Nilmatullah, Jasica Nina Gusti Nining Rukiah Nizaruddin Nizaruddin Nuha Fadhilah, Sarah Nurfitriani Nurhamidah Nurhamidah Nurhamidah Nurhamidah Nurhamidah Nurhamidah Nurhamidah Nurhamidah Nurhamidah Nurhamidah Nurlia Latipah Nurliana NURLIANA NURLIANA Nursaadah, Euis Nursela Wahyuni Nurul Annisa Olivia, Janeta Oma Sepriani Parlindungan, Deni Pica Lestari Prakusya, Muhammad Bara Pratiwi, Kimgrace Martha Putri Primasari, Revina Anggraeni Puspa Darti Puspariyani, Aurelia Ratih RA Dinasty Purnomoasri Rachmawati, Ria Nurlita Radyanto, Mohammad Riza Ramdhany, Armilla Putri Rantika Khumairah Rara Indicha Pratiwi Rena Lestari, Rena Retno Rosariastuti Rico Januar Sitorus Riesa Tirta Maladewi Rika Indriyani Rima Fadillah Rina Elvia, Rina Rini Astuti Damanik Rio Sunardi Ririn Trinanda Riyanti, Rossa Riyanto Riyanto Rizki M. Okumura Rofiqa Asri Sa'adah, Aminatus Sadila, Salsa Salastri Rohiat Salastri Rohiat Salastri Rohiat Salastri Rohiat Salsabila, Fahira Naifa Salsabila, Unik Hanifah Samsia Santhy Wyantuti SANTI LISNAWATI Saragih, Melva Savira, Syafa Maajid Sayyid Muhammad Riski Mubarok Setiawan, Mulya Gigih Setiawati, Irka Shaddam chusein Siti Rahmah Hidayatullah Lubis Siti Sundari Siti Utami Dewi Soeryodarundio, Koosdaryanti Suhika, Dewi Sumpono Sumpono Sura Ginting Sura Menda Ginting Sura Menda Ginting Sura Menda Ginting Sutarno Sutiharni Sutiharni Sutriani Syafi'i, Alfan Syafi’I Syahrial Shaddiq Tiara Nitaria Sinaga Tiya Rurin Utari Tri Septi Triana Krisandini Triharningsih, Septia Nur Tuti Tutuarima Tyas Sri Muryati Uliyandari, Mellyta Vannesa Okta Andyani Vera Dwi Alfina Vika Octavia Sari Wahyu Ningsih, Elen Wahyudi Sutopo Widi Hartono Widi Hartono Wijaya, Roma Winata, Nadya Surya Winda Siptiani Wiwit Wiwit Wiwit Alwi Wovie Azizah Wulan Agustina Yani Handayani Yati Afiyanti Yelly Jelita Yeni Wahyuni Hartati Yenny Sariasih Yesi Hepriyeni yetmi, Yetmi Yolanda Afrianti Yosie Andriani Yovi Sepriansyah Zahra Salsabila Zakiah, Zabrina Wardah Annafsatuz Zakiyah, Nesfitri Aufa