Microeconomic Analysis of the Informal Sector - Results of Sample Surveys. The Pakistan Development Review, [S. l.], v. 27, n. 4II, p. pp.605–619, 1988. DOI: 10.30541/v27i4IIpp.605-619. Disponível em: https://thepdr.pk/index.php/pdr/article/view/856. Acesso em: 26 oct. 2025.