S. Rizwan Ali, S. Qaseem, S. Imran Ali, and M. Naeem. “Growth of Magnesium Oxide Thin Films Using Molecular Beam Epitaxy”. Journal of Basic & Applied Sciences 13 (January 5, 2017): 347–350. Accessed February 23, 2025. http://sceintific-array.org/index.php/jbas/article/view/1671.