Simatupang, L. M., and E. Susanti. “PEMILIHAN STRATEGI PERAWATAN MESIN DI PT XYZ”. Computer and Science Industrial Engineering (COMASIE), vol. 4, no. 6, Jan. 2021, pp. 62-72, https://forum.upbatam.ac.id/index.php/comasiejournal/article/view/3560.