Nawanir, Gusman, Lim Kong Teong, and Siti Norezam Othman. “VALIDATION OF LEAN MANUFACTURING MEASUREMENT INSTRUMENT”. Journal of Technology and Operations Management 10, no. 2 (June 4, 2020): 25–36. Accessed May 5, 2024. https://e-journal.uum.edu.my/index.php/jtom/article/view/jtom2015.10.2.2.