TY - JOUR T1 - Positioning Services for Competitive Advantage JF - Annual Editions: Marketing 90/91 (Reprint) Guilford Conn: Dushkin Y1 - 1988 A1 - Schouten,John W. A1 - McAlexander,Jim KW - Marketing U2 - a U4 - 648556544 ID - 648556544 ER -