TY  - BOOK
AU  - Izard,John
ED  - Unesco
TI  - Assessing learning achievement
SN  - 923102793X
U1  - 371.26 23
PY  - 1992///.
CY  - Paris: 
PB  - Unesco, 
KW  - Educational tests and measurements
N1  - Includes bibliography p. 39-43
ER  -