TY  - BOOK
AU  - Gupta, C. B.
AU  - Singh, S. R.
AU  - Kumar, Mukesh
TI  - Engineering mathematics
SN  - 9789339219642
U1  - 510 GUP 
PY  - 2015///
CY  - New Delhi
PB  - McGraw Hill Publishing Company Limited
ER  -