A. Sayed, M., and M. Kamruzzaman. 2021. “The Effects of Dual Acceptor (Na, N) Doping on Zn and O Sites in ZnO”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 55 (1):112-25. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/12132.