Alzain, Mohamed Ali, Najm Eldinn Elsser, Collins Otieno Asweto, Mohammed Mohamoud Alsese, Mohammed Ismail Humaida, Ahmed Kassar, and Mohamed Osman Abdelaziz. “Knowledge, Attitude, and Practice towards COVID-19 Prevention: A Survey of Sudanese People”. International Journal Of Community Medicine And Public Health 8, no. 10 (September 27, 2021): 4734–4741. Accessed October 26, 2025. https://www.ijcmph.com/index.php/ijcmph/article/view/8689.