TY  - BOOK
AU  - Krishnamurthy, K., Pranesachar, C. R. , Ranganathan, K. N. and Venkatachala,  B. J.
TI  - Challenge and thrill of pre college mathematics
U1  - 510 K V 
PY  - 2011///
CY  - New Delhi
PB  - New Age International Ltd., 
KW  - Mathematics
ER  -