The ROI of ROI
No More Cold Calling
JUNE 13, 2013
How about ERP or Project Management Software? He is the author of three bestselling business books, including: ROI Selling (©2004 Dearborn), Why Johnny Can’t Sell (©2007 Kaplan), and the Amazon top-10 business book, The Key to the C-Suite (©2011 AMACOM). Look at CRM or SFA systems over the years.
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