Cohen, William A. The Practice of Marketing Management : Analysis, Planning, and Implementation / William A. Cohen - 2a ed. - New York : Macmillan, c1991 - xx, 693 p. : tbs., grfcs. ; 24 cm. ISBN: 0023231718 Subjects--Topical Terms: Mercadotecnia--Administración. LC Class. No.: HF 5415.13 / C64