TY  - BOOK
AU  - Gupta, Sudhir
TI  - Operations research
SN  - 978-93-80921-41-9
AV  - 658.4034 G95o 
PY  - 2011///
CY  - New Delhi
PB  - Centrum Press
KW  - Operations research
N1  - Includes index
ER  -