TY  - BOOK
AU  - Gupta, Prem Kumar; Hira, D S
TI  - Operations research
SN  - 9780131889231
U1  - 001.424 GUP-O 22
PY  - 2006///
CY  - 
PB  - S Chand & Co. Pvt Ltd., New Delhi
KW  - Operations research
ER  -