TY  - BOOK
AU  - Prem Kumar Gupta and . D. S. Hira
TI  - Operations Research
SN  - 978-81-219-0281-6
U1  - 658.4034 
PY  - 2014///
CY  - New Delhi
PB  - S.Chand & Company Ltd.
KW  - MANAGEMENT
ER  -