"Concepten." . . "Maatstaven." . . . . "Institute of Social Studies" . . "Informal sector (Economics) Brazil São Paulo Metropolitan Area." . . "Karakteristieke functies." . . "Informal sector (Economics)" . . "The informal sector in greater Sao Paulo : a discussion of concepts and criteria, and a description of its characteris tics" . . "The informal sector in greater Sao Paulo : a discussion of concepts and criteria, and a description of its characteristics" . "The informal sector in greater Sao Paulo : a discussion of concepts and criteria, and a description of its characteristics"@en . . . . . . . . . . . . . . . . . . . . "The informal sector in greater Sao Paulo a discussion of concepts and criteria and a description of its characteristics" . "The informal sector in greater Sao Paulo a discussion of concepts and criteria, and a description of its characteristics" . . . . . . . . . . . . . . . . . "Secteur informel, Brésil. Sao paulo." . . "Brazil." . . "Brazil" . "Dualökonomie" . . "Informal sector (Economics) Sao Paulo." . . "Informele economie." . . "Sao Paulo (Stadt)" . . "Industrialization." . . "Industrialization" . "Brazilië" . . "Brazilië." . "Small-scale industry." . . "Small-scale industry" . "Zonder onderwerpscode." . . "Informal sector." . . "Informal sector" .