Ali, S., K. Muhammad, A. S. Channa, F. H. . Channa, I. A. . Memon, M. Abro, G. M. Memon, A. Iqbal, A. Q. Laghari, and S. A. Noonari. “Investigation of Morphological and Mechanical Properties of Hardened and Tempered AISI 4340 Steel”. 2026. Journal of the Serbian Chemical Society, June 2026, doi:10.2298/JSC251123012A.