Haldar, A, B Baur, SK Bhattacharya, R Das, M Mundle, and TK Saha. 2012. “Utilization of Intrauterine Contraceptive Device in a District of West Bengal, India”. Journal of Institute of Medicine Nepal 33 (1). https://www.nepjol.info/index.php/JIOM/article/view/7025.