Kholoud Saad Albalawi, Badr Saad T. Alkahtani. “Piecewise Fractional Analysis of Omicron Type Covid-19 Infection”. Pakistan Journal of Medical & Health Sciences 16, no. 07 (September 22, 2022): 851. Accessed September 27, 2024. https://pjmhsonline.com/index.php/pjmhs/article/view/2422.