Shahada, A., S. Alwanb, B.A. and A. Abedc, K. (2019) “Effect of Pulse Repetition Rate on Micro Hardness on the Surface and Cross Section of Gray Cast Iron by using ND-YAG Laser”, Anbar Journal of Engineering Science, 10(1), pp. 67–71. doi:10.37649/aengs.2019.171366.