Hammoud, Fatima K., and Kadhim A. Aadim. “Measurements and Calculations of Parametrs of Zinc Oxide Plasma Produced by Laser Induced Breakdown Spectroscopy”. Iraqi Journal of Science 63, no. 4 (April 30, 2022): 1540–1548. Accessed June 29, 2022. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4655.