Khatun, M.R., Lina, K.N. and Nahar, S.G. 2018. Frequency of Placenta Previa in Multigravida at Tertiary Care Hospital. TAJ: Journal of Teachers Association. 25, (Nov. 2018), 59–63. DOI:https://doi.org/10.3329/taj.v25i0.37560.