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1New approaches to communication training for developing countries World Congress of rural sociology New approaches to communication training for developing countries World Congress of rural sociologyby 63999 Díaz Bordenave, Juan E., 49 IICA, Brasília, D.F. (Brasil), 344951 3. World Congress of rural sociology Baton Rouge, Louisiana (EUA) 21-27 agust, 1972
Published 1972Texto bibliotecaIICA