M.O., Okongo. “Analysis of Treatment and Counseling in an HIV/AIDS Malaria Co Infection Model Using the Reproduction Number”. Journal of Progressive Research in Mathematics 15, no. 1 (April 15, 2019): 2452-2463. Accessed May 20, 2024. http://scitecresearch.com/journals/index.php/jprm/article/view/1711.