http://www.nvestntech.com/audio/One_goal_disc_six.mp3 Podcast: Introduction to Disc Six ??? Developing and Managing the Sales Plan. http://salesbarriers.typepad.com/one_goal_revenue_generati/2008/10/podcast-introduction-to-disc-six-developing-and-managing-the-sales-plan.html 2008-10-28 http://www.odeo.com/uploads/0024/4599/serial_339093_medium.png