Mohmmed, Jabbar Hussein, and Zahid I. Al-hashimy. “Effect of Different Quenching Media on Microstructure, Hardness, and Wear Behavior of Steel Used in Petroleum Industries”. Journal of Petroleum Research and Studies 8, no. 2 (July 1, 2018): 199-208. Accessed November 22, 2024. https://jprs.gov.iq/index.php/jprs/article/view/244.