Koo, Delia. Elements of optimization : with applications in economics and business / Delia Koo. - New York : Springer-Verlag, c1977. - viii, 220 p. : ill. ; 24 cm. - Heidelberg science library . - Heidelberg science library . Includes Bibliography and index. ISBN: 0387902635 Subjects--Topical Terms: Mathematical optimization.Economics, Mathematical. Dewey Class. No.: 519.6 / KOE 1977