Muhammad, Muhammad, and Uftori Wasit. “Kesesuaian Lahan Untuk Tanaman Pangan Di Kabupaten Madiun”. Gontor Agrotech Science Journal 1, no. 2 (June 17, 2015): 71–93. Accessed July 5, 2024. https://ejournal.unida.gontor.ac.id/index.php/agrotech/article/view/265.