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espaciodigital.upel.edu.ve/simple-search?query=&sort_by=score&order=desc&rpp=10&filter_field_1=author&filter_type_1=equals&filter_value_1=Direcci%C3%B3n+General+de+Planificaci%C3%B3n+y+Desarrollo&filter_field_2=subject&filter_type_2=equals&filter_value_2=Publicaciones&etal=0&filtername=dateIssued&filterquery=2015&filtertype=equals (port 80)