SAPUTRA, Ardian; ERWEN MARTIANIS. Preventive Analysis of Maintenance On Centrifugal Pumps Using The Mean Method Time Between Failure (MTBF) and Mean Time To Repair (MTTR). International Journal of Science and Environment (IJSE), [S. l.], v. 6, n. 2, p. 2450–2456, 2026. DOI: 10.51601/ijse.v6i2.770. Disponível em: https://ijsenet.com/index.php/IJSE/article/view/770. Acesso em: 7 aug. 2026.