Frisca, C., E. Maharani, and Y. Yusmini. “Financial Feasibility Analysis of Cocoa Farming in Prima Jaya Farmers Group in Pelambaian Village, Tapung District”. Jurnal Sosial Ekonomi Pertanian, vol. 18, no. 2, Apr. 2022, pp. 91-102, doi:10.20956/jsep.v18i2.19577.