ARYAL, T. R. Population Projection under Changing Fertility Conditions. Journal of Institute of Science and Technology, [S. l.], v. 19, n. 2, p. 86–88, 2015. DOI: 10.3126/jist.v19i2.13858. Disponível em: https://www.nepjol.info/index.php/JIST/article/view/13858. Acesso em: 8 may. 2024.