A. Najim, Suha. “Effect of Substrate Temperatures on the Structural and Optical Properties of Na-Doped ZnO Thin Films”. Rafidain Journal of Science 27, no. 1 (March 1, 2018): 173–183. Accessed September 9, 2025. https://ojs.uomosul.edu.iq/index.php/rsci/article/view/46511.