K., K., Ch. Srinivasa Rao, and D. Nageswara Rao. “Prediction of Weld Quality in Plasma Arc Welding using Statistical Approach”. Applied Science and Engineering Progress 3, no. 4 (September 10, 2013): 29–35. accessed September 18, 2026. https://ph02.tci-thaijo.org/index.php/ijast/article/view/67388.