1.
Francis A, Akyenyi AS, Itopa AS. Analysis of a modified Covid-19 model in Nigeria and approximations using differential transformation method. Dut. Jnl. Pure. Appl. Sci. [Internet]. 2022 Jun. 26 [cited 2026 Nov. 6];8(2b):170-83. Available from: https://www.ajol.info/index.php/dujopas/article/view/227298