Stephan Schiffman
The Words You Need to Get the Sale, Beat Your Quota, and Boost Your Commission
Aumente su motivación y ambición, no importa qué edad tenga
Técnicas superiores para maximizar el desempeño
¡Eso sí que funciona!
26 Proven Strategies to Increase Sales in Any Market
A Proven Program to Accelerate the Sales Cycle and Increase Commissions
That Really Work!
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