Yulianto, G. (2005) “PERSEPSI PETANI TERHADAP PENGEMBANGAN KEDELAI HITAM DI PLAYEN 133 - 144 GUNUNG KIDUL”, Jurnal Ilmu-Ilmu Pertanian, 1(2), pp. 133–144. Available at: https://jiip.polbangtanyoma.ac.id/index.php/jiip/article/view/276 (Accessed: 8 February 2025).