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Description de l’éditeur
The top 20-percent of salespeople make 80-percent of the sales and 80-percent of the money. Now, you can join them and become one of the highest-paid salespeople in your field. Brian Tracy shows you 21 of the most powerful, practical, helpful techniques ever discovered to increase your sales and boost your income. Based on 30 years of selling experience, you'll learn how to double and triple your income - starting today!