TY  - BOOK
AU  - Urry, syd
TI  - An introduction to operational research: : the best of everything
SN  - 0002110016
U1  - 658.4034 
PY  - 1992///
CY  - Hyderabad
PB  - ; Orient Longman
KW  - Management
KW  - Operations Research
ER  -