TY  - GEN
AU  - Demirel, Özcan,
TI  - Developing test techniques for KPDS
SN  - 9757731528
AV  - PE1129 .T8 
PY  - 1998///
CY  - Ankara
PB  - Hacettepe TAŞ, 
KW  - English language
KW  - Grammar
ER  -