TY  - BOOK
AU  - Gupta, Prem Kumar
AU  - Hira, D. S. 
TI  - Problems In Operations Research 
SN  - 9788121909686
U1  - 658.4034 
PY  - 2024///
CY  - Noida,U.P.
PB  - S. Chand  and Company Limited 
ER  -