TY  - BOOK
AU  - Giridha, C. H.
TI  - Encyclopaedia of educational technology: : techniques of measurement and evalution
SN  - 81716988
U1  - 370.3 
PY  - 2004///
CY  - New Delhi
PB  - ; Commonwealth
KW  - Education-Encyclopaedia
KW  - Encyclopaedia
ER  -