TY  - BOOK
AU  - De Gruijter,Dato N.M.
AU  - van der Kamp,Leo J.Th
ED  - International Symposium on Educational Testing (
TI  - Advances in psychological and educational measurement / 
SN  - 0471018171
PY  - 1976///
CY  - London : 
PB  - John Wiley & Sons, 
KW  - Psicometría
KW  - Tests
KW  - Educación
KW  - Tests escolares
KW  - Estadística
KW  - Item
ER  -