TY  - BOOK
AU  - Prem Kumar Gupta
AU  - Hira D S
TI  - Introduction To Operations Research
SN  - 9788121941006
U1  - 65.012.1:519.28 GUP 
PY  - 2012///
CY  - New Delhi
PB  - S Chand
KW  - Operations Research
ER  -