TY  - BOOK
AU  - Y.K. Singh
AU  - Sharma T.K
AU  - Upadhya Brijesh
TI  - Educational technology: techniques of tests and evaluation
SN  - 9788131303641
U1  - 371.26 
PY  - 2008///
CY  - New Delhi
PB  - APH Publishing Corp
KW  -  Educational technology
ER  -