TY  - BOOK
AU  - Gupta Prem Kumar
AU  - Hira D S
TI  - Operations Research
SN  - 9788121902816
U1  - 658.4034 
PY  - 2014///
CY  - New Delhi
PB  - S Chand & Company PVT LTD
KW  - Operations Research
ER  -