Utami, Y.E., Maarif, M.S., Fahmi, I. and suroso, arif imam 2020. Analisis Strategi Pengembangan Usahatani Kakao. Jurnal Ilmiah Sosio-Ekonomika Bisnis. 22, 1 (Jan. 2020), 91 - 102. DOI:https://doi.org/10.22437/jiseb.v22i1.6424.