WILLIAMS, C. C.; NADIN, S.; WINDEBANK, J. Evaluating the Prevalence and Nature of Self-Employment in the Informal Economy: Evidence From a 27-Nation European Survey. European Spatial Research and Policy, [S. l.], v. 19, n. 1, p. 129–142, 2012. DOI: 10.2478/v10105-012-0010-y. Disponível em: https://czasopisma.uni.lodz.pl/esrap/article/view/7346. Acesso em: 3 may. 2024.