Kurnia, Hibarkah, Andini Putri Riandani, and Tri Aprianto. 2023. “Application of the Total Productive Maintenance to Increase the Overall Value of Equipment Effectiveness on Ventilator Machines”. Jurnal Optimasi Sistem Industri 22 (1). Padang, ID:52-60. https://doi.org/10.25077/josi.v22.n1.p52-60.2023.