TY  - BOOK
AU  - Helgesen, Marc 
AU  - Steven Brown (jt.auth)
TI  - Practical English language teaching listening
SN  - 9780071118422
U1  - 418.007 
PY  - 2007///.
CY  - New York: 
PB  - Mc Graw- Hill, 
KW  - ERC
KW  - English language - study and teaching
ER  -