1. Stewart F, Trussell J, Van Look PFA. Emergency contraception. In: Hatcher RA, Trussell J, Nelson AL, et al., editors. Contraceptive Technology. 19th ed. New York: Ardent Media; 2007. p. 87–116.
2. Coeytaux F, Wells ES, Westley E. Emergency contraception: have we come full circle? Contraception. 2009;80:1–3.
3. http://www.crs.np Accessed 12 November 2015.
4. MoHP (Ministry of Health and Population Nepal), New ERA, and ICF International Inc. Nepal Demographic and Health Survey 2011. Kathmandu, Nepal: Ministry of Health and Population, New ERA, and ICF International, Calverton, Maryland; 2012.
5. Bajracharya G, Bhandari DR. Nuptiality trends and differentials in Nepal. In: Central Bureau of Statistics. Population Monograph of Nepal. Vol. I. Kathmandu, Nepal: Multi Graphic Press; 2014. p. 71–104.