TY  - BOOK
AU  - Koretz,Daniel M
ED  - Rand Corporation.
ED  - National Science Foundation (U.S.)
TI  - Evaluating and validating indicators of mathematics and science education
T2  - A Rand note
PY  - 1992///
CY  - California
PB  - Rand Corporation
KW  - Mathematics
KW  - Study and teaching
KW  - Evaluation
KW  - Science
ER  -