abed, nibras hamid, and Mahmoad SH. Mahmoad. “Laser Microdrilling and Nanodrilling of 8009 Aluminium Alloy Using Nanoparticles ”. Iraqi Journal of Laser, vol. 20, no. 2, Dec. 2021, pp. 42-48, https://doi.org/10.31900/ijl.v20i2.291.