フォーカス―市場支配の絶対条件

by Al Ries

tankobon_hardcover

About the author

Alfred Paul Ries was an American marketing professional and author. He was the cofounder and chairman of the Atlanta-based consulting firm Ries & Ries with his partner and daughter, Laura Ries. Along with Jack Trout, Ries is credited with resurrecting the idea of "positioning" in the field of marketing.