Khadafi, Abu, and Budi Hariono. 2024. “ANALISIS REPAIR MAINTENANCE POLICY Dan PREVENTIVE MAINTENANCE POLICY PADA MESIN AYAKAN PTPN XII MALANGSAR: (Analysis of Repair Maintenance Policy and Preventive Maintenance Policy on Sieve Machine at PTPN XII Malangsari)”. NaCIA (National Conference on Innovative Agriculture), June, 1-11. https://ocs.polije.ac.id/index.php/pnacia/article/view/31.