TY  - GEN
AU  - Krishna,Modugula Ravi
AU  - Rao,Digumarti Bhaskara
TI  - Examination system
SN  - 8171418244
AV  - LB 3058 I5 K7 2004 
PY  - 2004///
CY  - New Delhi : 
PB  - Discovery Pub. House, 
KW  - Examinations
KW  - India
ER  -