HASAN, A.; SINGH, M. K.; KHAN, A. A. Fertility behaviour and contraceptive use in urban slums of district Gorakhpur. International Journal Of Community Medicine And Public Health, [S. l.], v. 4, n. 12, p. 4702–4705, 2017. DOI: 10.18203/2394-6040.ijcmph20175354. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/2175. Acesso em: 23 oct. 2025.