Sten Ludvigsen; Andreas Lund; Ingvill Rasmussen; Roger Säljö <br/><br/>
Learning Across Sites  New Tools, Infrastructures and Practices 

 -  Taylor and Francis  2010 
<br/><br/><label>ISBN: </label>9780203847817 
<br/><br/><label>Source: </label>EBOOK