TY  - BOOK
AU  - Robert  L, Ebel .
AU  - David,Frisbie  .
TI  - Essentials Educational measurement / 
SN  - 9788120307001
U1  - 371.26 
PY  - 2004///
CY  - New Jersey : 
PB  - Prentice Hall Inc , 
ER  -