TY - BOOK AU - Covey,Stephen R. TI - Principle-centered leadership SN - 0671792806 (pbk.) PY - 2003///] CY - New York PB - Free Press KW - Success KW - Psychological aspects KW - Success in business KW - Leadership N1 - Includes index N2 - The author invites business readers to center their professional lives around principles of excellence and quality and discusses the six conditions of effectiveness and the patterns of organizational excellence ER -