Tabish, T.A., M.S. Qayyum, T.Z. Butt, M. Kamran, and H. Saeed. “A STUDY OF ESSENTIAL PARAMETERS ON GAS CARBURIZING OF AISI 8620 (Ni-Cr-Mo) ALLOY STEEL”. Journal of Research (Science) 2223, no. 1-4 (July 30, 2025): Pages: 55–66. Accessed January 16, 2026. http://jorscience.com/index.php/JRS/article/view/302.