The Challenger Customer : Selling to the Hidden Influencer Who Can Multiply Your Results Adamson, Brent Spenner, Pat Toman, Nick Dixon, Matthew 9780241196564 Heftet 03.09.2015 Engelsk I salg
The Challenger Sale : How To Take Control of the Customer Conversation Adamson, Brent Dixon, Matthew 9780670922857 Heftet 07.02.2013 Engelsk I salg
The Challenger Sale : Taking Control of the Customer Conversation Adamson, Brent Dixon, Matthew 9781591844358 Innbundet 10.11.2011 Engelsk I salg
