Richardson, Barrie ; Fusco, Mary Ann Castronovo The +10 Percent Principle : how to get extraordinary results from ordinary people / Barrie Richardson with Mary Ann Castronovo Fusco. - New Delhi S Chand & Co. 1995 - viii, 243p ISBN: 81-219-0850-7 Subjects--Topical Terms: Leadership Dewey Class. No.: 658.3 / RIC.P