SERAN, Sirilius. Social Economic Status to the Number of Life Expectancy. International Journal of Economics and Financial Issues, [S. l.], v. 9, n. 4, p. 166–171, 2019. Disponível em: https://econjournals.com./index.php/ijefi/article/view/8230. Acesso em: 23 dec. 2024.