Putra, Edy, Dian Triadiawarman, and Rudi Rudi. “Analisis Kesuburan Kimia Tanah Pada Lahan Kelapa Sawit Kelompok Tani Tunas Behari”. Jurnal Pertanian Terpadu 2, no. 1 (June 1, 2014): 116-129. Accessed November 10, 2026. https://www.ojs.stiperkutim.ac.id/index.php/jpt/article/view/68.