A. Sathakathulla, A., and M. G. Fajlul Kareem. “Impact of Covid -19 Among Smokers in Oman”. SPC Journal of Social Sciences 3, no. 1 (February 27, 2021): 41–45. Accessed November 23, 2024. https://sciencepubco.com/index.php/JSC/article/view/31393.