Adamson Brent Challenger sale How to make control of the customer conversation Adamson Brent; Dixon Matthew - New Delhi Penguin Books 2013 - xvi,221p. cm. ISBN: INR 699.00 Standard No.: 137988 Source: 106, 15/03/2018, Eastern Media Textual Subjects--Topical Terms: Reference Dewey Class. No.: X:51, Q3 LR