Spencer, Milton H. Managerial economics : text, problems, and short cases by Milton H. Spencer. - 3nd ed. - Ill R. D. Irwin : Homewood 1968. - xii, 515 p. : ill. ; 24 cm. Includes bibliographies. LCCN: 68-014869 //r75 Subjects--Topical Terms: Managerial economics.Industrial management.Decision making.