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Geographic Information System for Land Suitability Mapping of Partner Farmers at Okiagaru Indonesia Agricoop Using Rule-Based System and Prototype Methodology Wicaksono, Aditya; Manalu, Doni Sahat Tua; Sebayang, Veralianta Br; Pratama, Agief Julio; Pamungkas, Muhammad Aldryansyah; Puspa, Amelia Setya
Jurnal Teknik Informatika (Jutif) Vol. 7 No. 2 (2026): JUTIF Volume 7, Number 2, April 2026
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2026.7.2.5471

Abstract

Geographic Information System (GIS) for land suitability assessment integrates spatial and attribute data to evaluate and map areas for food crops and horticulture. The system applies parameters such as temperature, rainfall, water pH, clay CEC, organic carbon, and other soil characteristics, analyzed through a rule-based approach. Its main goal is to optimize agricultural land use by aligning crop selection with physical and environmental conditions. GIS-based analysis enables accurate digital mapping and categorizes land into highly suitable, moderately suitable, marginally suitable, and unsuitable classes, providing valuable insights for farmers, governments, and stakeholders in sustainable land management. System development employed the Prototype methodology, emphasizing iterative stages of requirement gathering, rapid design, prototype construction, user evaluation, and refinement. The Land Suitability GIS (SigKL) was tested at five partner-farmer sites in Cianjur and Sukabumi. Black Box Testing confirmed that all 20 functional features achieved a 100% success rate. The system supports the identification of potential new agricultural areas and offers recommendations for improving less productive land. The novelty of this research lies in integrating FAO (1976) classification with interactive digital mapping and locally tailored knowledge rules, enabling real-time accessibility. Unlike prior studies limited to static analysis, SigKL introduces an adaptive, rule-based GIS prototype with interactive visualization, directly supporting decision-making for sustainable agriculture. This innovation enhances transparency and accessibility, contributing to the Sustainable Development Goals (SDGs) related to food security and sustainable farming.
RETENSI PELANGGAN DI UKM: MENELITI PERAN KUALITAS DAN KEPUASAN PRODUK DALAM MINUMAN KEDELAI Doni Sahat Tua Manalu; Fharel Az Zihra Adhie Futra; Jihan Azizah Harir; Raden Alika Queena Aulia Wijaya; Muhammad Riyadh Afkar; Firzana Auliya Rahman; Muhammad Haekal; Wiwik Wiqoyatun Nisa
KONTAN: Jurnal Ekonomi, Manajemen dan Bisnis Vol 5, No 1 (2026): KONTAN: Jurnal Ekonomi, Manajemen dan Bisnis
Publisher : CV Widina Media Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59818/kontan.v5i1.2813

Abstract

This study examines the determinants of repurchase intention in Micro, Small, and Medium Enterprises (MSMEs), focusing on the roles of product quality, sales promotion, and service quality, with customer satisfaction acting as a mediating variable at Soyyum Drink, Bogor. Utilizing an explanatory quantitative approach, primary data were collected from 80 consumers via purposive sampling and analyzed using Partial Least Squares - Structural Equation Modeling (PLS-SEM). The results indicate that product quality significantly affects both customer satisfaction (P=0.000) and repurchase intention (P=0.000). Conversely, service quality shows a limited effect on customer satisfaction (P=0.041), while sales promotion is not statistically significant. Customer satisfaction is proven to partially mediate the relationship between product quality and repurchase intention (P=0.003). The research model explains 52.5% of the variance in repurchase intention (R^2 = 0.525). These findings highlight the essential role of consistent product quality in driving customer retention at the MSME level. This study contributes to marketing literature by providing empirical evidence from the context of an MSME undergoing a production mechanization transition, and offers conceptual managerial insights into the importance of product standardization as a primary customer retention strategy. ABSTRAKPenelitian ini mengkaji faktor penentu niat pembelian ulang pada Usaha Mikro, Kecil, dan Menengah (UMKM), dengan fokus pada peran kualitas produk, promosi penjualan, dan kualitas layanan, serta kepuasan pelanggan sebagai variabel mediasi pada unit usaha Soyyum Drink di Bogor. Menggunakan pendekatan kuantitatif eksplanatori, data primer dikumpulkan dari 80 konsumen melalui teknik purposive sampling dan dianalisis menggunakan Partial Least Squares - Structural Equation Modeling (PLS-SEM). Hasil pengujian menunjukkan bahwa kualitas produk berpengaruh signifikan terhadap kepuasan pelanggan (P=0.000) dan niat pembelian ulang (P=0.000). Sebaliknya, kualitas layanan menunjukkan efek yang terbatas pada kepuasan pelanggan (P=0.041), sedangkan promosi penjualan tidak signifikan secara statistik. Kepuasan pelanggan terbukti memediasi secara parsial hubungan antara kualitas produk dan niat pembelian ulang (P=0.003). Model penelitian ini mampu menjelaskan 52,5% varians pada niat pembelian ulang (R^2 = 0.525). Temuan ini menyoroti peran esensial dari konsistensi mutu produk dalam mendorong retensi pelanggan di tingkat UMKM. Studi ini berkontribusi pada literatur pemasaran dengan memberikan bukti empiris dari konteks UMKM yang sedang dalam fase transisi mekanisasi produksi, serta menawarkan wawasan manajerial yang konseptual terkait pentingnya standardisasi mutu sebagai strategi utama retensi pelanggan.
ANALISIS PERILAKU KONSUMEN DALAM PENGAMBILAN KEPUTUSAN PEMBELIAN KOPI di KOPI VOKASI Doni Sahat Tua Manalu; Andya Nabila Arawinda; Assaidah Nurul; Fitriyani Fitriyani; Khairunnisa Salsabilla; Muhammad Shafwa; Nengri Nengri
JOURNAL SAINS STUDENT RESEARCH Vol. 2 No. 3 (2024): Juni : Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v2i3.1344

Abstract

Indonesia occupies the third position as the largest coffee producing country after Brazil and Vietnam. This happens because coffee consumption continues to increase every year, which indicates a change in the lifestyle of Indonesian people. This research aims to analyze the attributes that influence coffee purchasing decisions at Kopi Vocational, analyze consumer attitudes towards purchasing coffee at Kopi Vocational, and analyze the performance of Kopi Vocational in fulfilling the attributes that are important to consumers. Data was obtained from 100 respondents using a purposive sampling method (currently purchasing or having consumed). Data analysis uses descriptive methods, attitude scales, the Fishbein method, and IPA method. The results of the research data show that the majority of respondents are women aged between 18-28 years who work as students with an average income of <Rp. 1,000,000.00. The consumer interest and trust index obtained is in a positive classification with a score of 94.99. The attributes of trust in Vocational Coffee that need to be improved are the facilities and the attributes of trust that must be maintained are taste, price, service, and packaging materials.
Co-Authors ., Harianto Abung Supama Wijaya Aditia, Derry Aditya Wicaksono Aditya Wicaksono Aditya, Naufal Agief Julio Pratama Akhdan Hadi Zahran Al Qodariah, Nur Khansa Almalia Pramena Andi Dhiya Khalidah Zaenal Andini Firannisa Andini Tribuana Tunggadewi Andini Wulandari Andya Nabila Arawinda Andya Nabila Arawinda Angelica Nabila Ahdy Anie Puspita Sari Asrisah Nurindra Assaidah Nurul Assaidah Nurul Astri Muliasari, Ade Aulia Mardatila Awaliyyah, Nadia Febrianti Siti Ayu Dewanti Ayu Gupita Sari Azrina Qisthina Zamila Azryl Gustian Azhar Bilqis Bilqis, Bilqis Bulan Wiranata Septiani Tambunan Bunda, Asti Permata Chintya Eka Putri Chintya Kenisah Gultom Desriana Maya Sari Tarigan Dewi, Intani Dhika Prita Hapsari Dian Fajria Syahwidyanti Diana Alifia Diana Indah Ramadhani Dinda Dauty Diva Nurfitrianti Azizah Dyaska Firaszahran Farhan Fauzul Azhim Fauzan Ariq Fauzan, Farhan Fauziah Zumna Aqilah Febrya Sarahsati Ferdisar Adrian Fharel Az Zihra Adhie Futra Firzana Auliya Rahman Fitriyani Fitriyani Fitriyani Ghandy, Abel Gina Jaudah Gustiya Kevin Nugrahaini Hardini, Sri Y.K Harianto Harianto Harianto Hartoyo Hartoyo Helianthi Dewi Hidayati Fatchur R Hidayati Fatchur R Indah Maulina Utami Irlina Jilani Isma Nurjanah Izdihar Rana Waluyo Izzuddin Haidar Al Qossam Qossam Jelianus Nduru Jihan Azizah Harir Julia , Dika Kamila, Farhana Talida Kartiman, Roni Khairunnisa Salsabilla Khairunnisa Salsabilla Kuntari, Wien Lailah Azizah Syukur Lavyina Br Bangun Lembayung Kusuma Diningrum Lidya, Leni Listiasari, Faranita Ratih Made Gayatri Anggarkasih Marithasari, Harries Mentari, Junifer Muhammad Farhan Muhammad Haekal Muhammad Rifa Zainur Ridha Muhammad Riyadh Afkar Muhammad Rizky Firmansyah Hs Chandra Praja Muhammad Shafwa Muhammad Shafwa Nadira Marsandri Ratnakaniya Nadira Salwa Faizaty Nailalmuna, Aghitsni Nengri Nengri Netti Tinaprilla Ninda Aulina Nur Amallina, Davina Naswa Nurinda Utami Padoma Nurlela Nurlela Pamungkas, Muhammad Aldryansyah Pangihutan S, Josua Crystovel Parhusip, Debora K.P Permata, Femi Aldilla Puspa, Amelia Setya Putri , Amalia Putri Nadira Gustina Gustina Putri Pebrianti Utami PUTRI, NABILAH Queen Fadilla Melawardani Raden Alika Queena Aulia Wijaya Rahmasari, Liisa Firhani Rahmawati Liswahyuni Dwi Wardhani Rasidin Karo-Karo Sitepu Revian Alif Maulana Rhaka Agung Setiawan Ristianingrum, Anita Riza Muharmayenti Rizki Amalia Rizky Iswanto Rohimah Rohimah Rusmiyati, Henny Salsabila Shafa Maura Sapti Nurlatifah Sari, Melani Permata Sastrawan, Uding Sebayang, Veralianta Br Shintia Dwiandini Silva, Anindya Siswahyudianto Situmorang, Nengri Sri Hartoyo Suci Hakimah Suharno Suharno Suharno Suharno Suharno Suharno Syaharani Syahira, Salwa Talitha Azalia Tambajong, Daisy Tarigan, Desriana Maya Sari Tirtana, Arif Tri Armyanti Vela Rostwentivaivi Warcito Widya Hasian Situmeang Wijaya, Allieccia Tessalonika Wiwik Wiqoyatun Nisa Wiwik Wiqoyatun Nisa Yesika Ardi Tiofani Yukabad, Marizka Yunus Al Gaza Zahra Nur Afifah Zakwan Zaky Bahara Simbolon Zheika Zamelia