Magombedze, Gesham, Zindoga Mukandavire, Christinah Chiyaka, and Godfrey Musuka. “Optimal Control of a sex‐structured HIV/AIDS Model With Condom Use”. Mathematical Modelling and Analysis 14, no. 4 (December 31, 2009): 483-494. Accessed November 22, 2024. https://jest.vgtu.lt/index.php/MMA/article/view/6571.