J. Michael Spector, Dirk Ifenthaler, Demetrios G. Sampson, Pedro Isaias <br/><br/>
Competencies in Teaching, Learning and Educational Leadership in the Digital Age 

 -  Springer  Springer  2016 
<br/><br/><label>ISBN: </label>9783319302959 
<br/><br/><label>Source: </label>EBOOK