Rosa Delima, Febrian Galih, and Argo Wibowo. “DEVELOPMENT OF CROP AND FARMER ACTIVITY INFORMATION SYSTEM”. Researchers World - International Refereed Social Sciences Journal 8, no. 4 (August 25, 2021): 180–189. Accessed September 30, 2025. https://www.researchersworld.com/index.php/rworld/article/view/379.