TY  - BOOK
AU  - D.S. Hira
AU  - Gupta, P.K.
TI  - Operations Research
SN  - 81-219-0281-9
U1  - 003 
PY  - 2009///
CY  - New Delhi
PB  - S Chand
KW  - Computer Science
KW  - Systems, Operations Research
ER  -