Widiastuti, Wiwi, Ulfiyah Rajamudin, and Isrun Isrun. “Studi Kualitas Tanah Pada Toposequen Sub Das Poboya, Kota Palu”. AGROTEKBIS : JURNAL ILMU PERTANIAN (e-journal) 4, no. 5 (October 31, 2016): 544-552. Accessed July 23, 2024. http://jurnal.faperta.untad.ac.id/index.php/agrotekbis/article/view/57.