John N Brennanのリリース

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Cover for John N Brennan · Consultative Selling Skills (Paperback Book) (2014)

Consultative Selling Skills (2014)

Cover for John N Brennan · Consultive Selling: Close More Sales, Build Trust and Improve Customer Loyalty Through Consultative Sales Processes and Skills (Paperback Book) (2009)

Consultive Selling: Close More S... (2009)