TY  - BOOK
AU  - Buffa, S., Elwood
TI  - Essentials Of Management Science / Operation Research 
U1  - 658.4034 
PY  - 1978///
CY  - New York 
PB  - John Wiley & Sons Inc. 
KW  - Management 
KW  - Essentials Of Management Science
KW  - Operation Research
ER  -