F. Rizky and J. Saifuddin Zuhri S., “Age Replacement Scheduling Lowers Granulation Machine Downtime: Penjadwalan Penggantian Berdasarkan Usia Mengurangi Waktu Henti Mesin Granulasi”, acopen, vol. 11, no. 2, p. 10.21070/acopen.11.2026.14890, Jul. 2026.