Century Business English listening and speaking tutorial (with CD-ROM version 4 general higher Eleventh Five national planning materials)

by CAO SHU PING // WANG YUAN YUAN // CAI LI WEI Paperback details (USA). ISBN: 978-7-5611-2593-9 ISBN-10: 7-5611-2593-3 Dalian University of Technology Pub. Date :2009-10-01 Version 4 · 2009