Abdulkareem, Nawzad, Sarkawt Sami, and Badal Elias. 2020. “Structural, Electronic and Optical Properties of Cubic Perovskite Cspbx3 (X= Br, Cl and I)”. Science Journal of University of Zakho 8 (1), 23-28. https://doi.org/10.25271/sjuoz.2020.8.1.632.