TY  - GEN
AU  - Gupta Premkumar
AU  - Hira D. S.
TI  - Operations Research
SN  - 9788121902816
U1  - 658.5 
PY  - 1976///
CY  - New Delhi
PB  - S. Chand and Company Ltd.
KW  - Operations Research
KW  - Linear Programming
KW  - Probability theory
ER  -