Chris De Winter

• 30 Minutes to Improve Telesales Techniques (30 Minutes)
• Selling by Telephone
• Selling by Telephone (Business Enterprise)
• 30 minutes - to improve your telesales techniques
• Selling by Telephone
• The secrets of successful telephone selling
• The Secrets of Successful Telephone Selling (Secrets S.)
• The Secrets of Successful Telephone Selling (The Secrets Series)