Sell : trust-based professional selling 
Thomas N. Ingram. 
 - 7th ed. 
 -  Cengage,  2024 
 - v, 260 pages 
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<br/><br/><label>ISBN: </label>978-0-357-90138-0 
<br/><br/><label>Dewey Class. No.: </label>658.85 S4671 2024