TY  - BOOK
AU  - N.P. BALI , 
AU  - MANISH GOYAL
TI  - A TEXTBOOK OF ENGINEERING MATHEMATICS SEM-IV
SN  - 9789380386539
U1  - 510.2462 
PY  - 2022///
CY  - CHENNAI
PB  - UNIVERSITY SCIENCE PRESS 
ER  -