June 2009
Intermediate to advanced
272 pages
10h 6m
English
An expert is someone who knows some of the worst mistakes that can be made in his or her field, and how to avoid them.
—Werner Karl Heisenberg
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How is the sales profession different from other professions? The middle section of the ASTD World-Class Sales Competency Model (see figure 5-1) comprises areas of expertise, ...