T. KISS, Judit. The option value of education. Competitio, [S. l.], v. 9, n. 1, p. 131–148, 2010. DOI: 10.21845/comp/2010/1/7. Disponível em: https://ojs.lib.unideb.hu/competitio/article/view/6875. Acesso em: 5 dec. 2025.