Syamsuwirman, S., P. Novia, and A. Amnilis. “Increasing Cocoa Production By Application Agricultural Waste Organic Fertilizer In Lubuk Pandan”. Journal of Social Impact and Community Engagement, vol. 1, no. 1, July 2024, pp. 9-17, https://jociase.ekasakti.id/index.php/Jociase/article/view/2.