TY  - BOOK
AU  - Grewal, B S 
AU  - Grewal, J S 
AU  - Dhanoa, J K
TI  - Higher engineering mathematics
SN  - 9788193328491
U1  - 519.5 G83H 
PY  - 2019///
CY  - Delhi
PB  - Khanna Publishers
ER  -