Hekkert, Paul. Dijk, Mathijis Van. <br/><br/>
Vision in design : a guidebook for innovators 

 - Netherland  BIS Publishers  2011 
 - 335 
<br/><br/><label>ISBN: </label>9789063693718 
<br/><br/><label>Dewey Class. No.: </label>658.5752  HEK;1  R