Ismail Akbani, Shubham D. Renge, Swaraj S. Kulkarni, Munesh P. Jagatap, Tejas S. Jaggi. 2020. “Optimizing The Casting Development Process In A Foundry Through Six Sigma ”. International Journal of Advanced Science and Technology 29 (10s), 7134 -43. http://sersc.org/journals/index.php/IJAST/article/view/23665.