25 Top Sales Techniques
by Stephan Schiffman
ISBN 13: 9780749407360
Format: Paperback (100 pages) Publisher: Kogan page Published: 30 Jul 1992
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Sales Don't Just Happen: 26 Proven Strategies to Increase Sales in Any Market
ISBN 13: 9780793154630
Format: Paperback (190 pages) Publisher: Kaplan Business Published: 16 Sep 2002