TY  - BOOK
AU  - O' Driscoll,Nina
TI  - Bussiness Challenges: course book 
T2  - Longman Business English
SN  - 0582229944
U1  - 428 
PY  - 1995///
CY  - London
PB  - Longman Group
KW  - Inglés
KW  -  Enseñanza
N1  - Cassette 1-1 units 1-5; Cassette 2 units 60-10; Cassette 2-1 units 10-13
ER  -