Dian Asri, and Ummy Qalsum. 2026. “OPTIMIZATION OF PRODUCTION INPUT USAGE IN COCOA FARMING IN POLEWALI MANDAR REGENCY: A DATA ENVELOPMENT ANALYSIS APPROACH”. International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) 6 (6):3093-99. https://radjapublika.com/index.php/IJEBAS/article/view/6511.