Thareja, Mannu. “Lean, 6-Sigma for Green Manufacturing Competence”. Journal of Advanced Research in Quality Control & Management 3, no. 1&2 (June 5, 2018): 25-36. Accessed November 22, 2024. https://adrjournalshouse.com/index.php/Journal-QualityControl-Mgt/article/view/727.