Helliwell, Margaret Business plus : preparing for the workplace. Teacher's manual / Margaret Helliwell - Singapore : Cambridge University Press , 2015 - 3 v. ; 30 cm. Vol. 1. Teacher's manual 1 -- v. 2. Teacher's manual 2 -- v. 3. Teacher's manual 3 ISBN: 9781107668805 (v.1) 1107668808 (pbk.) 9781107638723 (v.2) 9781107668867 (v.3) Subjects--Topical Terms: English language--Business English--Problems, exercises, etc.English language--GrammarEnglish language--Business EnglishEnglish language--Business English--Handbooks, manuals, etc.