Buffa, Elwood S. Essential of management science operation research / Elwood S. Buffa [and]James S. Dyer - Santa Barbara : John Wiley Sons , 1978 - xiii, 528 p. ; 23 cm - The Wiley / Hamilton series . Management and administration . ISBN: 0471020036 Subjects--Topical Terms: Investigación de operacionesAdministración LC Class. No.: T 57.6 / B89 1978