TY  - BOOK
AU  - GUPTA, J.D. AND
AU  - GUPTA, P.K. AND
AU  - MANMOHAN
TI  - MATHEMATICS FOR BUSINESS AND ECONOMICS
U1  - 330.1543, 
PY  - 1987///
CY  - DELHI
PB  - TATA MCGRAW HILL
ER  -