TY  - BOOK
AU  - Gupta, Prem Kumar 
AU  - Hira, D S
TI  - Operations research
SN  - 9788121902816
U1  - 658.4034 GUO 23
PY  - 2023///
CY  - New Delhi
PB  - S Chand and Company
KW  -  Decision Theory
KW  - Operations Research
N1  - Includes bibliographies and index
ER  -