TY  - BOOK
AU  - Gupta; Parmanand , Chug;Om  P  
TI  - Comprehensive business mathematics
SN  - 81-7008-676-0
U1  - 510 G93C 
PY  - 0000///n.d
CY  - New Delhi
PB  - Laxmi publications
KW  - Mathematics
ER  -