00419nam a2200169 a 450000100060000000300090000600800410001502000150005604000280007108200190009910000220011824500330014026000300017330000110020365000220021465000130023618432CO-ViMGA141112s2004    ck      r     000 u spa d  a9706860258  aCO-ViMGAbspacCO-ViMGA04a302.2242 V373c1 aVerderber, Rudolf10aComunicación oral efectiva  aMexico, cThomson, c2000  a368.p.14aCOMUNICACION ORAL14aORATORIA