FATMA, N. F.; PONDA, H.; KUSWARA, R. A. ANALISIS PREVENTIVE MAINTENANCE DENGAN METODE MENGHITUNG MEAN TIME BETWEEN FAILURE (MTBF) DAN MEAN TIME TO REPAIR (MTTR) (STUDI KASUS PT. GAJAH TUNGGAL TBK). Heuristic, [S. l.], v. 17, n. 2, p. 87–94, 2020. DOI: 10.30996/heuristic.v17i2.4648. Disponível em: https://jurnal.untag-sby.ac.id/index.php/HEURISTIC/article/view/4648. Acesso em: 30 dec. 2025.