TY  - BOOK
AU  - BEN W. BOLCH
AU  - DUDLEY J.COWDEN
AU  - FREDERICK E.
TI  - PRACTICAL BUSINESS STATISTICAL
U1  - 519.54 
PY  - 1974///
CY  - New Delhi
PB  - Prentice-Hall of India Pvt. Ltd., New Delhi 
ER  -