Tirado, Geovana; Costa, Sergio Jose; Carvalho, Jose Marcio - Sociedade Brasileira de Economia e Sociologia Rural - SOBER - 2008
events and changes occurred, since the 1970's in the Brazilian BPC, as well as the trade and sanitation barriers which … provokes the existence of a number of different problems, but the ones related to sanitation and informality emerge as the most … protectionist policies and the technical and sanitation demands from countries belonging to the great consumer markets, has been one …