TY  - BOOK
AU  - Biffa, Elwood S.
AU  - Dyer, James S.
TI  - Management science Model formulation Operations reserch and solution methods
U1  - 658.4034 
PY  - 1977///
CY  - New york
PB  - John wiley & sons
KW  - Management
KW  - Operations reserch
KW  - Optimization models
N1  - Includes bibliographical references and index
ER  -