TY  - GEN
ED  - Mathematical Sciences Education Board National Research Council
ED  - National Research Council (U.S.).
TI  - Measuring up: prototypes for mathematics assessment 
SN  - 0309048451
AV  - QA135.5PER 1993 
PY  - 1993///
CY  - Washington
PB  - National Academy press.
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Evaluation
KW  - Mathematical ability
KW  - Testing
N1  - lncludes index
ER  -