*http://www.josai.ac.jp/~shimizu/essence/Professor%20Koichi%20Shimizu's%207Cs%20Compass%20Model.html 7Cs Compass model(1979)in Japan*http://www.ppbmag.com/Article.aspx?id=1981 Four P’s, Four C’s And The Consumer Revolution.
*http://www.josai.ac.jp/~shimizu/essence/Professor%20Koichi%20Shimizu's%207Cs%20Compass%20Model.html 7Cs Compass model(1979)in Japan*http://www.ppbmag.com/Article.aspx?id=1981 Four P’s, Four C’s And The Consumer Revolution.