Suminarti, Nur Edy, and Susanto Susanto. “Pengaruh Macam Dan Waktu Aplikasi Bahan Organik Pada Tanaman Ubi Jalar (Ipomoea Batatas L.) Var. Kawi”. Jurnal AGRO 2, no. 1 (July 23, 2015): 15–28. Accessed January 11, 2026. https://www.journal.uinsgd.ac.id/index.php/ja/article/view/166.