“Spectroscopic Study of Copper Plasma Produced by Fundamental Nd: YAG Laser by LIBS”. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 31, no. 3 (September 30, 2023): 147–155. Accessed May 3, 2025. https://www.journalofbabylon.com/index.php/JUBPAS/article/view/4836.