The Psychology of Selling: Increase Your Sales Faster and Easier Than You Ever Thought Possible
Brian Tracy · 4/5 · leído en 2010
Brian Tracy es uno de los gurús de las ventas y el desarrollo personal, si tienes interés en ambos temas este es un "must read"
Brian Tracy is one of the gurus of sales and personal development; if you are interested in both subjects, this is a must-read.