TY  - BOOK
AU  - Gupta, S P 
AU  - Gupta, P K and Mohan, man 
TI  - Business statistics and operations research 
SN  - 9789391820350
U1  - 519.5 
PY  - 2022///
CY  - New Delhi
PB  - Sultan Chand & Sons 
KW  - Mathematics , Business Statistics , Operations Research
ER  -