Wootton, Simon. Strategic thinking : a nine step approach to strategy and leadership for managers and marketers / by Simon, Wootton and Terry, Horne. - 3re ed. - London : Kogan Page, 2010. - ix, 150 p. ; 23 cm. ISBN: 9780749460778 (pbk.) Dewey Class. No.: 658.4012 / WOO