Bakhtawar, S. Hamza, Z. Saleem, M. Khan, B. Ruqia, and Hira, “Comparative Study of Frequency of Placenta Previa in Women with History of Cesarean Delivery Versus Normal Vaginal Delivery”, IJBR, vol. 3, no. 3, pp. 552–558, Mar. 2025, doi: 10.70749/ijbr.v3i3.943.