“Implementation of Lean Manufacturing to Reduce Waste in the Maintenance Section in National Automotive Sub Companies of Indonesia ”. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) DOI: 10.31695/IJERAT 7, no. 9 (September 7, 2021): 5–12. Accessed May 3, 2024. https://ijerat.com/index.php/ijerat/article/view/571.