Operations research.
GUPTA (Prem Kumar);HIRA (D S).
Operations research. - New Delhi S Chand & Company Ltd 2011 - xii,1395 PB
8121902819
658.4034 GUPP
Operations research. - New Delhi S Chand & Company Ltd 2011 - xii,1395 PB
8121902819
658.4034 GUPP