00482nam a2200169 a 4500041000800000082001700008100001800025245008000043260002300123300001700146650002100163650001600184650002600200650002700226650002100253650003800274  aeng  a338.1bM174c  aMatlon, Peter  aComing full circlebfarmers' participation in the development of technology  aOttawabIDRCc1984  a176 pbfotos  aDESARROLLO RURAL  aAGRICULTURA  aDESARROLLO CIENTIFICO  aDESARROLLO TECNOLOGICO  aECONOMIA AGRARIA  aPARTICIPACION DE LOS TRABAJADORES