SUGANDI, Bagus Ahmad; HAMDY, Muhammad Ihsan; TASLIM, Rika; NOFIRZA, Nofirza; NUR, Muhammad. Comparative Analysis of Repair Policy and Preventive Maintenance Policy Methods in Machine Maintenance on the Production Floor of PT. Metro Riau. IJIEM - Indonesian Journal of Industrial Engineering and Management, Jakarta, Indonesia, v. 6, n. 2, p. 218–227, 2025. DOI: 10.22441/ijiem.v6i2.31177. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/ijiem/article/view/31177. Acesso em: 28 may. 2026.