TY  - BOOK
AU  - Rani, T. Swarupa
AU  - 
AU  - Priyadasini, J.R.
AU  - Rao, Digumarti Bhaskara.
TI  - Educational measurement and evolution
SN  - 81-7141-859-7
U1  - 371.26 R197 2004 
CY  - New Delhi
PB  - Discovery Publishing House.
KW  - Educational evaluation
KW  - Educational tests and measurement
ER  -