Parmar, K. B. ., S. L. . Kantharia, N. R. . Godara, H. M. . Shah, and M. M. . Patni. “A Cross-Sectional Study to Understand Socio Demographic Profile of Couples Who Adopted Permanent Sterilization in Urban Slums of Surat City”. National Journal of Community Medicine, vol. 4, no. 03, Sept. 2013, pp. 443-8, https://njcmindia.com/index.php/file/article/view/1551.