Endrawati, Budiani Fitria, Sahid Fajar Pamungkas, and Ahmad Jamil. “Analisis Perencanaan Kebutuhan Pupuk Bersubsidi Kelompok Tani Makmur Abadi Kutai Kartanegara ”. SPECTA Journal of Technology 6, no. 3 (January 27, 2023): 290–298. Accessed June 27, 2025. https://journal.itk.ac.id/index.php/sjt/article/view/791.