http://www.jma.or.jp/ (1994) (1992) Kotler (2000) (2001) http://www.jma.or.jp/. (2001) http://www.jma.or.jp/. Booz Hamilton (2002) (2004) (2005) Booz and Hamilton (1982) Iacobucci [Editor] (2001) (2000) Urban, Hauser and Dholakia (1987) (ME) (2000) p3 (2000) p4 (2000) p4 (2000) p5 (product planning) Kotler Philip Kotler (2001) p109 (2002) Kotler (2000) Kotler Kotler (1996) Kotler (1992) p40 (1999)