TY  - BOOK
AU  - qazi,zameeruddin
AU  - khanna,v.k.
ED  - /mathematics
TI  - mathematics in commerce and wconomics / 
U1  - 510/qaz 
PY  - 1995///
CY  - new delhi
PB  - Vikas Publishing House PVT LTD
KW  - commerce
ER  -