BINAY, M.; BINAY, S. The Relation between the Optimal Informal Employment Ratio and Improvement Level. New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 3, n. 4, p. 260–264, 2017. DOI: 10.18844/prosoc.v3i4.1629. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/1629. Acesso em: 28 apr. 2024.