TY  - BOOK
AU  - Gupta, Prem Kumar
AU  - Hira D.S. and Kamboj Aarti
TI  - Operations Research
SN  - 9788121941006
U1  - 001.424 
PY  - 2012///
CY  - New Delhi
PB  - S.Chand & Company Limited
KW  -  Operations Research 001.424
ER  -