TY - BK TI - Extension y capacitacion rurales T2 - Manuales para Educacion Agropecuaria: Area - Extension y Capacitacion SN - 968-24-1168-8 U1 - 630.715 PY - 1984/// CY - Mexico, DF (Mexico) PB - Trillas, KW - Evaluation KW - Extension activities KW - Mass media KW - Methods KW - Rural areas KW - Training ER -