TY  - GEN
AU  - Demirel, Özcan,
TI  - Key To The Exsecises: Proficiency Ä°n English = Ä°ngilizce yeterlilik 
AV  - PE1128 
CY  - Ankara
PB  - Hacettepe-Taş Kitabevi
KW  - English Language-Textbooks for foreign speakers
N1  - Includes index
ER  -