Jalpa Zalawadia, Prashant Tomar, Vandit D. Buch,. “Application of 7 Quality Control Tools and Defect Reduction - A Review”. Design Engineering, no. 1 (January 22, 2023): 614 - 620. Accessed May 16, 2024. http://thedesignengineering.com/index.php/DE/article/view/9894.