AU  - Wilson, Warren
AU  - Roger Barnard
TI  - Fifty-Fifty Book one: A basic course in communicative English
SN  - 0139200002
U1  - 428.24 WIL 
PY  - 2001///
CY  - Hong Kong
PB  - Longman Asia ELT
KW  - Standard English usage
KW  - İngilizce'nin kullanımı
KW  - English language --Textbooks for foreign speakers
ER  -