Schiffman, Stephan. Cold calling techniques (that really work!) / Stephan Schiffman.- 5th ed - 5e - Avon, Mass. : Adams Media, c2002. - 148 p. ; 20 cm. ISBN: 1580628567 Subjects--Topical Terms: Telephone selling. Telemarketing. Dewey Class. No.: 658.85 SCH