TY  - BOOK
AU  - Kunnan, Antony John  .
TI  - Validation in language assessment / 
SN  - 0-8058-2752-8
U1  - P 
PY  - 1998///
CY  - New Jersey, London : 
PB  - Lawrence Erlbaum Associaties, Publisher , 
KW  - Language and languages-Examinations-Congresses
ER  -