81
Full text available from Earth, Atmospheric & Aquatic Science Database: 09/01/2014 to 11/30/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
82
Έκδοση 2000
Full text available from ABI/INFORM Global: 03/11/2010 to 08/23/2013
Full text available from East Europe, Central Europe Database: 03/11/2010 to 08/23/2013
Ηλεκτρονική πηγή Περιοδική έκδοση
83
Έκδοση 1994
Full text available from Social Science Database: 01/01/2010 to 01/31/2017
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
84
Full text available from Advanced Technologies & Aerospace Database: 11/01/2000 to 12/31/2018
Full text available from Science Database: 11/01/2000 to 12/31/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
87
Έκδοση 2006
Full text available from East Europe, Central Europe Database: 01/01/2010 to present
Ηλεκτρονική πηγή Περιοδική έκδοση
89
Έκδοση 1961
Full text available from Social Science Database: 01/01/2014 to present
Full text available from Sociology Database: 01/01/2014 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
92
Έκδοση 1987
Full text available from Career & Technical Education Database: 02/01/2006 to 09/30/2006
Full text available from Materials Science Database: 02/01/2006 to 09/30/2006
Full text available from Science Database: 02/01/2006 to 09/30/2006
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
94
Full text available from Biological Science Database: 03/01/2007 to 10/31/2018
Full text available from Health & Medical Collection: 03/01/2007 to 10/31/2018
Full text available from Science Database: 03/01/2007 to 10/31/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
96
Full text available from Biological Science Database: 01/01/1997 to 1 year ago
Full text available from Health & Medical Collection: 01/01/1997 to 1 year ago
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
99
Full text available from ABI/INFORM Global: 09/01/2000 to 11/30/2018
Full text available from Advanced Technologies & Aerospace Database: 09/01/2000 to 11/30/2018
Full text available from Computer Science Database: 09/01/2000 to 11/30/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
100
Full text available from Biological Science Database: 01/01/2005 to present
Full text available from East Europe, Central Europe Database: 01/01/2005 to present
Full text available from Health & Medical Collection: 01/01/2005 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό