TY  - BOOK
AU  - Mehrens,William A.
AU  - Lehmann,Irvin J.
TI  - Measurement and evaluation in education and psychology
SN  - 0030863236
U1  - 371.26 
PY  - 1973///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Educational evaluation
KW  - Educational tests and measurements
ER  -