TY  - BOOK
AU  - Gupta, Prem Kumar
ED  - Hira, D. S.
TI  - Operations  research
SN  - 8121902189
U1  - . 
PY  - 1976///
CY  - New Delhi
PB  - S.Chand 
KW  - Operations research
KW  - Operational analysis
KW  - Management science
KW  - Management--simulation methods
N1  - Library has 7th revised ed. also;Includes random numbers tables
ER  -