Karningsih, P. D. ., Puspitasari, W. . and Singgih, M. L. (2023) “Cost-Integrated Lean Maintenance to Reduce Maintenance Cost”, Jurnal Optimasi Sistem Industri. Padang, ID, 22(1), pp. 69–80. doi: 10.25077/josi.v22.n1.p69-80.2023.