ABDULRAHMAN, Ismael; CHAWSHEEN, Sarah Ahmed. Income-Based Economic Determinants of Life Expectancy in Four Groups of Countries Classified by their Levels of Income. Scientific Annals of Economics and Business, Iasi, Romania, v. 71, n. 4, p. 641–662, 2024. DOI: 10.47743/saeb-2024-0028. Disponível em: https://saeb.feaa.uaic.ro/index.php/saeb/article/view/2830. Acesso em: 30 apr. 2025.