TY  - BOOK
AU  - Gupta; Parmanand,Chug;Om P.
TI  - Comprehensive business mathematics
SN  - 81-7008-456-3
U1  - 519.5 G93C 
PY  - 0000///n.d
CY  - New Delhi
PB  - Laxmi publication
KW  - Mathematics
ER  -