books.google.hu - Completely Updated and RevisedThis revised edition of Peter Senge's bestselling classic, The Fifth Discipline, is based on fifteen years of experience in putting the book's ideas into practice. As Senge makes clear, in the long run the only sustainable competitive advantage is your organization's ability...http://books.google.hu/books/about/The_Fifth_Discipline.html?hl=hu&id=qcHB5iEDSlgC&utm_source=gb-gplus-shareThe Fifth Discipline
