Paul, B. K., S. Sarkar, S. Nandi, M. A. Alim, S. K. Biswas, and M. A. Rahman. “Changing Teaching through Formative Assessment: A Review”. Bangladesh Medical Journal, vol. 45, no. 1, July 2016, pp. 47-53, doi:10.3329/bmj.v45i1.28968.