Impact of Agricultural Modernization on Crude Birth Rate in Indian Punjab. The Pakistan Development Review, [S. l.], v. 20, n. 2, p. pp.247–267, 1981. DOI: 10.30541/v20i2pp.247-267. Disponível em: https://thepdr.pk/index.php/pdr/article/view/566. Acesso em: 26 oct. 2025.