SARI, W.; SULIAWATI, S.; HARAHAP, B. Biaya Perawatan Mesin Produksi Es Kristal Menggunakan Metode Preventive Maintenance Policy. JURNAL UNITEK, [S. l.], v. 16, n. 2, p. 144–150, 2023. DOI: 10.52072/unitek.v16i2.583. Disponível em: https://ejurnal.sttdumai.ac.id/index.php/unitek/article/view/583. Acesso em: 25 nov. 2024.