TY  - BOOK
AU  - Gupta, Prem Kumar
AU  - Hira, D. S.
TI  - Operations research
SN  - 8121902189
U1  - 658.403 
PY  - 2003///
CY  - New Delhi
PB  - S. Chand and Company Pvt. Ltd.
KW  - Research methodology
KW  - Operations research
KW  - Linear programming
N1  - It includes bibliographical information and index
ER  -