00603pamaa2200181 4500 0000044988 20130117090000.0 080323 eng 9780194576253 (pbk.) PE1479.B87 DUC 2006 Duckworth Essential business grammar and practice : elementary to pre-intermediate Michael Duckworth. Oxford: Oxfords University press, 2006. 200p: ill.; 28 cm. Oxford Business English BBELI English language -- Business english http://www.oup.com/elt