Senge, Peter M. Fifth discipline : the art and practice of the learning organization / by Peter, M Senge. - 1st ed. - New York : Doubleday, 2006. - xviii, 445 p. ; 23 cm. ISBN: 0385517254 (pbk.) 9780385517256 (pbk.) Dewey Class. No.: 658.3124 / SEN