1
Full text available from Health & Medical Collection: 10/01/2006 to present
Full text available from Nursing & Allied Health Database: 10/01/2006 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
2
Full text available from Health & Medical Collection: 01/01/2011 to 07/31/2013
Full text available from Psychology Database: 01/01/2011 to 07/31/2013
Full text available from Research Library: 01/01/2011 to 07/31/2013
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
4
Έκδοση 2011
Full text available from Education Database: 10/14/2011 to present
Full text available from Latin America & Iberia Database: 10/14/2011 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό