João Francisco de Souza ... [and others] = Action research and education in contexts of poverty : a tribute to the life and work of professor Orlando Fals Borda / Christine O'Hanlon ... [and others]
établi par le Centre de documentation en sciences sociales de l'Unesco = World directory of social science institutions / prepared by the Unesco Social Science Documentation Centre
Date
1977-
Series
Services mondiaux d'information en sciences sociales