Truett, Lila B. Managerial economics : analysis, problems, cases Lila J. trueett and Dale B. Truett - 7th ed. - Canada : South-Western, c2001. - xix, 759 p. : ill. ; 22cm. ISBN: 0324019076 Subjects--Topical Terms: Economics.Managerial economics. Dewey Class. No.: 338.5024658