Y. Odies S and A. S. Cahyana, “Design of Preventive Maintenance Scheduling for Vacuum Feeder Line 4 Machine Using Microsoft Project Based on Pareto Analysis to Reduce Downtime: Perancangan Penjadwalan Preventive Maintenance Mesin Vacuum Feeder Line 4 Menggunakan MS Project Berdasarkan Analisis Pareto Untuk Mengurangi Downtime”, ijins, vol. 27, no. 2, p. 10.21070/ijins.v27i2.2439, Oct. 2026.