HEGAZY, A. M. Mobile Phone and Child Mortality: The Case Of Developing Countries. International Journal of Economics and Financial Issues, [S. l.], v. 6, n. 3, p. 917–925, 2016. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/2305. Acesso em: 20 apr. 2024.