Islam, Md Saiful, Kazi Mehedi Mohammad, Md Mashih Ibn Yasin Adan, and Md Kamrujjaman. “Lyapunov Functions and Qualitative Analysis of an Epidemic Model With Vaccination”. GANIT: Journal of Bangladesh Mathematical Society 44, no. 1 (March 14, 2024): 1–22. Accessed July 27, 2024. https://www.banglajol.info/index.php/GANIT/article/view/71859.