Nayef, Uday. “Morphology, Chemical and Electrical Properties of CdO Nanoparticles on Porous Silicon”. Iraqi Journal of Physics (IJP) 11, no. 21 (February 24, 2019): 102-107. Accessed August 16, 2021. https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/373.