TY  - BOOK
AU  - Dass, H K
AU  - Verma, Rama
AU  - Verma, Rajnish
TI  - Engineering mathematics : conventional and objective type
SN  - 9789352936536
U1  - 510.2462 
PY  - 2019///
CY  - New Delhi
PB  - Vikas
ER  -