Mastina, M., and H. F. Kurniawati. “Correlation Between mother’s Demand and Cesarean Section Delivery in Pku Muhammadiyah Hospital Bantul Yogyakarta”. International Journal of Health Science and Technology, vol. 1, no. 1, July 2019, pp. 101-6, doi:10.31101/ijhst.v1i1.952.