TY  - BOOK
AU  - Gupta, P K
TI  - Introduction to operations research
U1  - 658.403 G959O 
PY  - 2012///
CY  - New Delhi
PB  - S Chand
N1  - 2872 23/08/2013 HBD13/5524 22/11/2013 Main Budget
ER  -