00384nam a2200145 a 450000100080000000500110000800800410001924500690006026000230012930000110015265000250016365000160018865000160020465000180022010171022014-02-22       1998    bl uuuu     u00u1 u    #d  aAgricultural Research and Extension Networkbregister of members  aLondres: ODIc1998  a154 p.  aAGENTES DE EXTENSION  aAGRICULTURA  aCIENTIFICOS  aINVESTIGACION