Rajab Saeid Mashathi, Rajab Saeid, Alsaliheen Ashour Lameen, and Essa Ali Mussa Abdulgader. 2022. “An Observational Study of Side Effects Associated With COVID-19 Vaccines Among Samples at El-Marj City”. Silphium Journal of Science and Technology 1 (02):74-89. https://j.istc.edu.ly/index.php/sjst/article/view/19.