Lama, L D, et al. “Comparative Study on Knowledge and Practice of Family Planning Methods Among Married Chepang and Brahmin Chhetri Men in Korak VDC of Chitwan District”. Journal of Chitwan Medical College, vol. 5, no. 4, Feb. 2017, pp. 39-48, https://nepjol.info./index.php/JCMC/article/view/16551.