Rida, S. Z., A. S. Abd El Radi, Anas Arafa, and M. Khalil. “The Effect of the Environmental Parameter on the Hantavirus Infection through a Fractional-Order SI Model”. International Journal of Basic and Applied Sciences 1, no. 2 (May 6, 2012): 88–99. Accessed May 23, 2024. https://sciencepubco.com/index.php/ijbas/article/view/26.