TY  - BOOK
AU  - Singh, Y.K.  .
TI  - Educational technology: techniques of tests and evaluation / 
SN  - 978-81-313-0363-4
U1  - T:3(f) 
PY  - 2008///
CY  - New Delhi : 
PB  - A P H Publishing Corporation , 
KW  - Education
ER  -