Asnandi, Muhammad, Fadly Yusran, and Muhammad Syarbini. “Jerapan Isotermal Fosfat Pada Tanah Ultisol”. Acta Solum 1, no. 2 (July 31, 2023): 85-89. Accessed July 3, 2024. http://jtam.ulm.ac.id/index.php/actasolum/article/view/1812.