Bonamy, David Technical english 1 B : Students' book and workbook / David Bonamy, Christopher Jacques. - Essex : Pearson, 2008 - 52-119; 34-67 p. Incluye CD ROM, N°I RE0539 ISBN: 9781408222515 Subjects--Topical Terms: ENSEÑANZA DEL INGLES Universal Decimal Class. No.: 81'25 B64 I-B ALUMNO