TY  - BOOK
AU  -  Gupta, Prem Kumar,
AU  -   Hira,  D S,  
TI  - Operations Research
SN  - 8121902819
U1  - 658.4034 
PY  - 2010///
CY  - New  Delhi
PB  - S Chand & Company Ltd
KW  - Management
KW  - Operation  Research
ER  -