TY  - BOOK
AU  - Prasad, B. D.
TI  - Mathematics: for civil services preliminary exam 
SN  - 8177290371
U1  - 510 
PY  - 2001///
CY  - New Delhi
PB  - Cosmos Bookhive 
KW  - Mathematics -- Examination
KW  - Mathematics -- Civil services
ER  -