Shahir Yahya, Mohd, Musli Mohammad, Badrul Omar, and Edly Ferdin Ramly. “Lean Tools and Techniques: A Comparison Between Malaysian Manufacturing and Services Organisations”. International Journal of Engineering & Technology 7, no. 3.7 (July 4, 2018): 345–348. Accessed April 30, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/18875.