TY  - BOOK
AU  - Gupta, Prem Kumar
AU  - Hira, D. S.
TI  - Operations research
SN  - 8121902819
U1  - 658.403 4 
PY  - 2016///
CY  - New Delhi
PB  - S. Chand
KW  - Mathematics
KW  - Computer Science
KW  - Business Management
KW  - Operations Research
ER  -