TY  - BOOK
AU  - H K Dass, Rama Verma, Rajnish Verma
TI  - Mathematics for Polytechnics
SN  - 9789390709243
U1  - 510 
PY  - 2022///
CY  - Newdelhi
PB  - CBS Publishers & Distributors
KW  - HUMANITIES & SCIENCE
ER  -