TY  - GEN
AU  - Gupta , Prem Kumar
AU  - Hira , D.S.
TI  - Introduction to operations research
SN  - 8121908108
U1  - 658.4034 
PY  - 1995///
CY  - New Delhi
PB  - S.Chand
KW  - MANAGEMENT
KW  - OPERATIONS RESEARCH
ER  -