AU  - Tolungüç, Gaye
TI  - Towards proficiency
U1  - 428.24 TOW 
PY  - 1994///
CY  - Ankara
PB  - Middle East Technical University department of basic English
KW  - Standard English usage
KW  - İngilizce'nin kullanımı
KW  - English language --Textbook for foreign learners
ER  -