Katemi, Richard J, and Jeremy Epp. “Influence of Carbonitriding Conditions on Phase Composition and Residual Stresses for 20MnCr5 Low Alloy Steel”. Tanzania Journal of Science 47, no. 2 (May 27, 2021): 790–799. Accessed July 15, 2025. http://tjs.udsm.ac.tz/index.php/tjs/article/view/705.