ODINAK, Joop G.; KUNNEN, Ruurd. Free to Choose; Returns on Investment in Education in The Netherlands. Journal of Income Distribution®, [S. l.], v. 8, n. 1, 1999. DOI: 10.1016/S0926-6437(99)80006-7. Disponível em: https://jid.journals.yorku.ca/index.php/jid/article/view/7220. Acesso em: 5 may. 2024.