Shashank Tripathi, and Dr. Sanjay Jain. “Study of the Product Failure Modes and Effects Analysis (PFMEA) on Welding Process- A Review”. International Journal for Research Publication and Seminar, vol. 8, no. 2, Mar. 2017, pp. 34-41, https://jrps.shodhsagar.com/index.php/j/article/view/1012.