Md Aktaruzzaman, Majedul Hoque, Rahamat Ullah, Avijit Saha, Md Nahid Hasan, Tanzim Amin Borhan. An investigation of a comparative study among different age groups about the acceptance and concern of covid-19 vaccine in Bangladesh. PMDJAS [Internet]. 2023 Nov. 24 [cited 2024 Jul. 27];4(03):27-42. Available from: https://pmdjas.com/index.php/pmdjas/article/view/91