LEONE, Julián; CASCIO, Jorge Lo. Income gaps: Education and inequality. Economics and Business Review, Poland, v. 6, n. 4, p. 27–50, 2020. DOI: 10.18559/ebr.2020.4.3. Disponível em: https://journals.ue.poznan.pl/ebr/article/view/415. Acesso em: 3 apr. 2025.