Mourkogiannis, Nikos. Purpose : the starting point of great companies / by Nikos, Mourkogiannis. - 1st ed. - New York : Palgrave Macmillan, 2006. - 253 p. ; 24 cm. ISBN: 1403975817 (hbk.) 9781403975812 (hbk.) Dewey Class. No.: 658.4012 / MOU