Farizi, Alfisyahrin, Saprida, and Desy Rahmawati Hasibuan. “Cost Efficiency Analysis on Revenue Based on Budget Plan and Benefit-Cost Ratio in Oil Palm Plantation at Pabatu Estate PTPN IV Regional II North Sumatra Province”. Agriprimatech 8, no. 2 (October 31, 2025): 1–6. Accessed January 11, 2026. https://jurnal.unprimdn.ac.id/index.php/Agriprimatech/article/view/7255.