1
Full text available from ABI/INFORM Global: 05/01/2010 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
2
Full text available from ABI/INFORM Global: 01/01/2010 to 02/28/2017
Full text available from Continental Europe Database: 01/01/2010 to 02/28/2017
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
3
Έκδοση 1969
Full text available from ABI/INFORM Global: 01/01/1999 to present
Full text available from Continental Europe Database: 01/01/1999 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
5
Full text available from Australia & New Zealand Database: 11/01/2012 to present
Ηλεκτρονική πηγή Περιοδική έκδοση
6
Έκδοση 2017
Full text available from Advanced Technologies & Aerospace Database: 11/01/1996 to 07/31/2016
Full text available from Arts & Humanities Database: 11/01/1996 to 07/31/2016
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
7
Full text available from ABI/INFORM Global: 01/01/2010 to 07/31/2011
Full text available from Engineering Database: 01/01/2010 to 07/31/2011
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
8
Έκδοση 2002
Full text available from Research Library: 01/01/2004 to 01/31/2011
Ηλεκτρονική πηγή Περιοδική έκδοση
10
Έκδοση 1977
Full text available from Environmental Science Database: 01/01/2017 to present
Full text available from Research Library: 01/01/2017 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
11
Full text available from Continental Europe Database: 07/01/2011 to present
Full text available from Social Science Database: 07/01/2011 to present
Full text available from Sociology Database: 07/01/2011 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
12
Full text available from Research Library: 10/01/2009 to 10/31/2012
Full text available from Continental Europe Database: 04/01/2013 to 04/30/2013
Full text available from Research Library: 04/01/2013 to 04/30/2013
Ηλεκτρονική πηγή Επιστημονικό περιοδικό