AMARISHKUMAR J PATEL; SUNILKUMAR N CHAUDHARI. Enhancing Operational Efficiency : A Case Study on Six Sigma Implementation in the Casting Industry. International Journal of Scientific Research in Mechanical and Materials Engineering, [S. l.], v. 8, n. 6, p. 17–25, 2024. Disponível em: https://www.ijsrmme.com/index.php/home/article/view/IJSRMME24863. Acesso em: 4 sept. 2025.