Khan, Nuzhat Nuari, Shahin Ara Begum, Raheedun Afeef, and Md Kamrujjaman. “Vaccine Efficacy of COVID-19 in Bangladesh: Does Vaccination Prevent the Pandemic?”. GANIT: Journal of Bangladesh Mathematical Society 43, no. 1 (August 2, 2023): 045–062. Accessed November 21, 2024. https://banglajol.info/index.php/GANIT/article/view/67858.