Harri Oinas-Kukkonen, Per Hasle, Marja Harjumaa, Katarina Segerståhl, Peter Øhrstrøm <br/><br/>
Persuasive Technology 

 - Germany  Springer  2008 
<br/><br/><label>ISBN: </label>978-3-540-68504-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science<br/>Persuasive Technology