vallée (1) norme (1) fleuve (1) recherche (1) développement régional (1) projet (1) point (1) abords (agglomération) (1) recherche scientifique (1) The Valley (1) Brésil (1) Development (1) Context (1) Article (1) Nineteen fifties (1) Work (1) Turning (Lathe work) (1) Social scientists (1) Social sciences (1) Social change (1) Rural development (1) Research (1) Regional planning (1) Political science (1) Partnership (1) International agencies (1) Grammar, Comparative and general--Article (1) Orient (1) Cooperation (1) Community development (1)