Sarkar, Probir Kumar, Nital kumar Sarker, Sharmim Doulah, and Tajul Islam A Bari. “Expanded Programme on Immunization in Bangladesh: A Success Story”. Bangladesh Journal of Child Health 39, no. 2 (February 13, 2017): 93–98. Accessed July 17, 2024. https://banglajol.info/index.php/BJCH/article/view/31540.