TY  - BOOK
AU  - Aggarwal, J. C.
TI  - Essentials of examination system: evaluation, tests and measurement 
SN  - 8125000519
AV  - 3962 
U1  - 373.12 22
PY  - 1997///
CY  - New Delhi
PB  - Vikas Publishing House Pvt Ltd.
N1  - Includes index and bibliography
ER  -