Nwibere, Barinedum Michael, and Needorn, Richard Sorle. “LEAN MANUFACTURING AND OPERATIONAL EFFICIENCY: EMPIRICAL EVIDENCE FROM THE NIGERIAN MANUFACTURING INDUSTRY”. American Journal of Pedagogical and Educational Research 5 (October 31, 2022): 91–109. Accessed November 13, 2024. https://americanjournal.org/index.php/ajper/article/view/356.