TY  - BOOK
AU  - Gupta, Prem Kumar Hira, D.S.
TI  - Operations Research
SN  - 9788121902816
U1  - 658.4034 
PY  - 2021///
CY  - New Delhi
PB  - S.Chand & Company
KW  - Operations Research
N1  - Operations Research
ER  -