TY  - BOOK
AU  - Paul, Usha
AU  - Paul, UshaBali, N. P.
TI  - A Textbook of higher engineering mathematics
SN  - 9788131808443
AV  - 510 BAL 2011 
U1  - 510 BAL 2011 
PY  - 2011///
CY  - New Delhi
PB  - Laxmi Publications
KW  - Mathematics
ER  -