Khadafi A, Hariono B. 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 [Internet]. 2024 Jun. 5 [cited 2025 Apr. 18];:1-11. Available from: https://ocs.polije.ac.id/index.php/pnacia/article/view/31