TY  - BOOK
AU  - Hepkins, Kenneth D
AU  -  Stanley, Julian C 
AU  - Hopkins, B.R. 
TI  - Educational and psychological measurement and evaluation 
SN  - 132363240
U1  - 371.26  
PY  - 1941///.
CY  - USA
PB  - Allyn and Bacon; 
ER  -