TY  - BOOK
AU  - Szabó, Gábor
TI  - Applying item response theory in language test item bank building
SN  - 9783631568514
U1  - 418.0076 SZA 
PY  - 2008///
CY  - Bern
PB  - Peter Lang
KW  - English language - Examinations
ER  -