TY  - GEN
AU  - Gupta, Prem Kumar
AU  - Hira, D.S.
TI  - Operations research and quantitative analysis
U1  - 658.4034 
PY  - 1993///
CY  - New Delhi
PB  - S.Chand & Company, 
KW  - Management
KW  - Operations research
ER  -