Kushwah, B., and S. Agrawal. “Knowledge, Attitude and Practice of Contraception: A Study from Rural Tertiary Health Care Centre”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 4, no. 2, Feb. 2017, pp. 329-33, https://www.ijrcog.org/index.php/ijrcog/article/view/1875.