The Inner Game of Selling: Mastering the Hidden Forces That Determine Your Success
by Ron Willingham
ISBN 13: 9781451691344
Format: Paperback (253 pages) Publisher: Free Press Published: 28 Apr 2012
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Integrity Selling for the 21st Century: How to Sell the Way People Want to Buy
ISBN 13: 9780385509565
Format: Illustrated (240 pages) Publisher: Crown Currency Published: 28 Jul 2003
Integrity Selling: How to Succeed in Selling in the Competitive Years Ahead
ISBN 13: 9780385239103
Format: Paperback (176 pages) Publisher: Doubleday Published: 01 May 1989
People Principle
by Ron Willingham,Willingham
ISBN 13: 9780312244903
Format: Paperback (272 pages) Publisher: St. Martin's Griffin Published: Dec 1999