BRIAN TRACY

Los 21 secretos de la venta editado por Gestion 2000

If there were a single great "secret" to being an elite sales professional, surely one of the...

CHANGE YOUR THINKING CHANGE YOUR LIFE""Every line in this book is bursting with truth, wisdom, and power. Brian Tracy is the preeminent authority on showing you how to dramatically improve your life. Let him be your guide. I've learned so much from Brian myself that I can't thank him enough!""-Robert G. Allen, #1 New York Times bestselling autho...