Khalaf, Mohammad K. “Surface Modification of Ti-6Al-4V Alloy by Glow Discharge-Plasma Nitriding”. Iraqi Journal of Physics 9, no. 16 (December 1, 2011): 34–40. Accessed December 19, 2024. https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/785.