Isaias, Pedro. Spector, J Michael. Ifenthaler, Dirk ...[et al.] <br/><br/>
E-learning systems, environments and approaches 

 - New York  Springer  2015 
 - xxiii, 329 
<br/><br/><label>ISBN: </label>9783319058245 
<br/><br/><label>Dewey Class. No.: </label>371.334  ISA;1  R