TY  - BOOK
AU  - Buffa Elwood S
AU  -  Dyer James S
TI  - Management science :  operations research 
T2  - Wiley/Hemilton sericees in management and administration edited by Elwood S Butta
U1  - X:89M, L7 
PY  - 1977///
CY  - New York
PB  - John Wiley     
KW  - ECONOMICS
ER  -