TY  - BOOK
AU  - Gupta, Prem Kumar
AU  - Hira, D.S.
TI  - Introduction to operations research
SN  -  81 219 0810 8
U1  - 519.92 
PY  - 1995///
CY  - New Delhi
PB  - S.Chanda
KW  - STATISTICS
ER  -