Murdy, Saad. “PERANAN KUPEM DALAM MENINGKATKAN PRODUKSI KENTANG DI KABUPATEN KERINCI”. Jurnal Ilmiah Sosio-Ekonomika Bisnis 13, no. 1 (June 29, 2012). Accessed January 9, 2025. https://online-journal.unja.ac.id/jseb/article/view/299.