TY  - BOOK
AU  - Gupta, Prem Kumar
AU  - Hira, D.S.
TI  - Operations Research
SN  - 9788121902816
SN  - 5868
U1  - 001.424             
PY  - 2009///
CY  - New Delhi
PB  - S.Chand and Company
KW  - Operations Research 001.424
ER  -