TY  - BOOK
AU  - Swarup, Kanti
AU  - Gupta, P K
AU  - Mohan, Man
TI  - Operation Research
SN  - 8170142164
U1  - 658.40 
PY  - 1997///
CY  - NewDelhi
PB  - Sultan Chand and sons
KW  - Research methodology
ER  -