Carvalho, Cleginaldo Pereira de, and Luiz Edvaldo Leite. “Application of Lean Manufacturing to Reduce Unproductive Times in a Valve Spring Inspection and Packaging Cell”. International Journal of Advanced Engineering Research and Science 8, no. 2 (March 1, 2021). Accessed August 25, 2024. https://journal-repository.com/index.php/ijaers/article/view/3230.