TY  - GEN
AU  - Mehrens, William A
AU  - Lehmann, Irvin J
TI  - Measurement and evaluation: in education and psychology
SN  - 0030899664
U1  - 372.26 
PY  - 1978///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - EDUCATION
ER  -