Mitchell, Dave, 1961- The power of understanding people : the key to strengthening relationships, increasing sales, and enhancing organizational performance / Dave Mitchell. - x, 198 pages : illustrations ; 24 cm Includes index. ISBN: 9781118726839 (hardback) Subjects--Topical Terms: Customer relations.Customer services.Interpersonal relations. Dewey Class. No.: 658.812 / MIT 2014