Munir, M. A., M. A. Zaheer, M. Haider, M. Z. Rafique, M. A. Rasool, and M. S. Amjad. 2019. “Problems and Barriers Affecting Total Productive Maintenance Implementation”. Engineering, Technology & Applied Science Research 9 (5). Greece:4818-23. https://doi.org/10.48084/etasr.3082.