TY  - BOOK
AU  - Gupta, DR.S.P.
AU  - DR.P.K. Gupta & DR. Manmohan
TI  - Business Statistics and Operations Research
SN  - 9788180548642
U1  - 519. 5  
PY  - 2013///
CY  - New Delhi
PB  - SULTAN CHAND & SONS
ER  -