DR. MAHENDRA SINGH CHOUHAN. Brief overview of development block wise sex ratio in district Champawat - year 2001 and 2011. International journal of economic perspectives, [S. l.], v. 7, n. 2, p. 8–13, 2013. Disponível em: http://www.ijeponline.org/index.php/journal/article/view/243. Acesso em: 19 apr. 2026.