|
[1]
| 2015
|
![](images/imprime.png) |
|
[2]
| |
![](images/imprime.png) |
|
[3]
![](images/www.png) http://www.informaworld.com
| 2013
|
![](images/imprime.png) |
|
[4]
![](images/www.png) http://eprints.worc.ac.uk Last accessed : 2015/02/12
| |
![](images/imprime.png) |
|
[5]
![](images/www.png) http://libereurope.eu Last accessed : 2014/03/24
| |
![](images/imprime.png) |
|
[6]
![](images/www.png) http://www.highereducationreview.com Last accessed : 2013/09/16
| |
![](images/imprime.png) |
|
[7]
![](images/www.png) http://www.utpl.edu.ec Last accessed : 2012/04/20
| 2012
|
![](images/imprime.png) |
|
[8]
![](images/www.png) http://theses.univ-lyon2.fr
| 2011
|
![](images/imprime.png) |
|
[9]
| 2010
|
![](images/imprime.png) |
|
[10]
![](images/www.png) http://www.acu.ac.uk Last accessed : 2011/01/05
| |
![](images/imprime.png) |
|