TY  - BOOK
AU  - Gupta, Prem Kumar.
AU  - Hira, D. S.
TI  - Operations Research
SN  - 9788121902816
U1  - 658.4034 
PY  - 2016///
CY  - Ahmedabad
PB  - S.Chand & Company Ltd.
KW  - Management,
ER  -