00620nam a2200169 a 450000500170000000800410001710000230005824500470008126000560012830000260018444000250021065000300023565000660026565000570033165000300038885200320041820190520022725.0130621s19uu    xx            00    eng d1 aO'Brien, Josephine10aEnglish for business /cJosephine O'Brien.  aSingapore :bCengage Learning Asia Pte. Ltd,c2009.  a106 p. : ill. ; 26 cm 0aProfessional English 4aCommercial correspondence 4aEnglish languagexBusiness EnglishxProblems, exercises, etc. 4aEnglish languagexGrammarxProblems, exercises, etc. 4aCommercial correspondence  5National Book Store7OLOPSC