M. A. M. Hassan, “Electrical and Photovoltaic Properties of Ag:ZnO/Si Heterojunction Device Prepared by Spray Pyrolysis Methode”, Al-Nahrain J. Sci., vol. 15, no. 1, pp. 73–79, Mar. 2012, Accessed: May 22, 2026. [Online]. Available: https://mail.anjs.edu.iq/index.php/anjs/article/view/1548