The Secrets of Successful Telephone Selling (The Secrets Series)
by Chris De Winter
ISBN 13: 9780434904648
Format: Paperback (160 pages) Publisher: Butterworth-Heinemann Ltd Published: 31 Dec 1989
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Selling by Telephone: From Cold Calling To Hot Profit (Sunday Times Business Enterprise Guide)
ISBN 13: 9780749436827
Format: Illustrated (164 pages) Publisher: Kogan page Published: 08 Nov 2001