Widhana, K., R. Rauf, and A. Laapo. “Analisis Komoditi Basis Subsektor Tanaman Perkebunan Di Kabupaten Parigi Moutong”. AGROTEKBIS : JURNAL ILMU PERTANIAN (e-Journal), Vol. 7, no. 1, Feb. 2019, pp. 90-99, http://103.245.72.23/index.php/agrotekbis/article/view/387.