TY  - BOOK
AU  - Mehrens,William A
AU  - Lehmann, Irvin J
TI  - Measurement and evaluation in education and psychology
SN  - 0030863236
U1  - 371.264 
PY  - 1973///
CY  - New York
PB  - Rinehart
KW  - Educational evaluations
KW  - United States
KW  - Educational tests and measurements
ER  -