Sumiati, Sumiati, Muhammad Arsyad, and Pipi Diansari. “PERAN PETANI KUNCI (COCOA DOCTOR) DALAM ADOPSI PAKET PENINGKATAN PRODUKSI PETANI KAKAO SERTIFIKASI”. Jurnal Sosial Ekonomi Pertanian 14, no. 1 (February 25, 2018): 75-84. Accessed May 5, 2024. https://journal.unhas.ac.id/index.php/jsep/article/view/3625.