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Author: Dan Roam [ All ]

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  Title Copies
The Back of the Napkin: Solving Problems and Selling Ideas with Pictures 
Year: 2012 
ISBN: 9814382248 
ISBN 13: 9789814382243 
 1 
Unfolding the Napkin: The Hands-On Method for Solving Complex Problems with Simple Pictures 
Edition: 1 
Year: 2009 
ISBN: 1591843197 
ISBN 13: 9781591843191 
 2