Mascull, Bill Upper intermediate market leader : business english teacher's resource book - 3a. Ed. - Edinburgh, England Pearson Education, c2011 2011 - [216] p. 30 cm.*il. Incluye 1 CD-ROM ISBN: 978-1-4082-6803-2 Subjects--Topical Terms: INGLES TECNICOLENGUA INGLESA - ENSEÑANZA Dewey Class. No.: 420.7/M377u