Diman, Mohammad, Rustam Rauf, and Yulianti Kalaba. 2016. “The Analysis of Copra Farming Revenue and Factors Influencing It in Palam Village Subdistrict of North Tinangkung, District of Banggai Kepulauan”. AGROLAND The Agricultural Sciences Journal (e-Journal) 3 (2), 113-21. https://doi.org/10.22487/agroland.v3i2.310.