/ / / / / / 10006478
Kenney, A.M., William F. Gregory, B.A. et Charles E.Parks…
Sir Isasc Pitman & Sons (Canada), Ltd.
1937
30
Business, Commercial correspondence, Selling, Sales personnel
Contents : Better letters / by A.M. Kennedy. The personnality of the salesman / by William F. Gregory. Salesmanship as applied to railway traffic / by Charles E. Parks.
TAB 117