Hussein, N. L., Khashan, K. S., Rasheed, H. M., Hammoud, H. Y., & ALHaddad, R. M. S. (2019). Simulation of Optical Energy Gap for Synthesis Carbon Quantum Dot by Laser Ablation. Iraqi Journal of Science, 52-56. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/654