Abbas, A. (2022). Omicron Covid19 (B.1.1.529). test, 5(13), 49-54. doi: 10.21608/asajs.2022.212781
Ashraf Mohamed Abbas. "Omicron Covid19 (B.1.1.529)". test, 5, 13, 2022, 49-54. doi: 10.21608/asajs.2022.212781
Abbas, A. (2022). 'Omicron Covid19 (B.1.1.529)', test, 5(13), pp. 49-54. doi: 10.21608/asajs.2022.212781
Abbas, A. Omicron Covid19 (B.1.1.529). test, 2022; 5(13): 49-54. doi: 10.21608/asajs.2022.212781