Soebekti, B.K. and Kaihatu, T.S. 2025. THE EFFECT OF PRODUCTION COSTS, LAND AREA, AND SELLING PRICES ON THE INCOME OF COPRA FARMERS (CASE STUDY OF FARMERS AT PT. ARGANTARA JAYA INDONESIA). International Journal of Review Management Business and Entrepreneurship (RMBE). 5, 2 (Dec. 2025), 25–36. DOI:https://doi.org/10.37715/rmbe.v5i2.6316.