TY  - BOOK
AU  - Sydes,John
AU  - Cross,Brian
TI  - Tech talk: elementary : workbook 
T2  - Oxford business english
SN  - 9780194574556
U1  - 428 
PY  - 2014///
CY  - New York
PB  - Oxford University Press
KW  - INGLES
KW  - ENSEÑANZA
ER  -