WILLIAMS, C. C. Why do Informal Sector Competitors Hinder Formal Entrepreneurs More in Some Countries?. Iberoamerican Journal of Entrepreneurship and Small Business, São Paulo, SP, v. 9, n. 4, p. 718–743, 2020. DOI: 10.14211/regepe.v9i4.1981. Disponível em: https://www.regepe.org.br/regepe/article/view/1981. Acesso em: 19 may. 2022.