Taofik Herdian Nugraha, et al. “ADOPTION OF THE PsPSP PACKAGE, PRODUCTIVITY, AND FARM FEASIBILITY OF SMALLHOLDER COCOA IN LUWU, SOUTH SULAWESI”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), vol. 5, no. 10, Aug. 2026, pp. 6276-84, https://ijset.org/index.php/ijset/article/view/2238.