Wan Yat, Choo Business communication toolbox : business letters / Choo Wan Yat, Yee Sook Fen, Yeoh Wei Tzee, edited by Zlwin Nigel Smith. - Selangor Local Publications 2006. - 145p 26cm ISBN: 9789833331116 Subjects--Topical Terms: Business communication--Problems, exercises, etc Dewey Class. No.: 658.45 WAN 2006