TY  - BOOK
AU  - Rao, Digumarti Bhaskara.
TI  - Assessing learning achievement / 
SN  - 81-7141-601-2
U1  - T:5 
PY  - 2001///
CY  - New Delhi : 
PB  - Discovery Publishing House , 
KW  - Education-teaching and learning
ER  -