Canfield, Bertrand R. <br/><br/>Sales administration:  principles and problems Bertrand R. Canfield  -- 4th ed.  -- Englewood Cliffs  Prentice Hall  1961 <br/>xv, 637p.  20cm. <br/><br/> Includes bibliography reference <br/><br/><label>Subjects--Topical Terms: </label><br/>Sales management<br/><br/><label>Dewey Class. No.: </label>GC 658.81 C162 1961