21
Full text available from Advanced Technologies & Aerospace Database: 05/01/1997 to 10/31/2010
Full text available from Education Database: 05/01/1997 to 10/31/2010
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
22
Full text available from Education Database: 01/01/2016 to present
Full text available from Research Library: 01/01/2016 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
23
Έκδοση 1951
Full text available from Computer Science Database: 12/01/1997 to 06/30/2018
Full text available from Engineering Database: 12/01/1997 to 06/30/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
24
Έκδοση 2011
Full text available from ABI/INFORM Global: 01/01/2011 to 01/31/2014
Full text available from Engineering Database: 01/01/2011 to 01/31/2014
Full text available from Research Library: 01/01/2011 to 01/31/2014
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
25
Έκδοση 2011
Full text available from ABI/INFORM Global: 06/01/2011 to present
Full text available from Engineering Database: 06/01/2011 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
27
Full text available from Computer Science Database: 01/01/2015 to 09/30/2020
Full text available from Engineering Database: 01/01/2015 to 09/30/2020
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
28
Full text available from Engineering Database: 03/01/2015 to 1 year ago
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
29
Έκδοση 2007
Full text available from Engineering Database: 05/01/2012 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
31
Έκδοση 2011
Full text available from Education Database: 01/01/2012 to present
Full text available from Engineering Database: 01/01/2012 to present
Full text available from Science Database: 01/01/2012 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
33
Full text available from Engineering Database: 04/01/2001 to 12/31/2001
Full text available from Engineering Database: 01/01/2007 to 12/31/2013
Full text available from Engineering Database: 01/01/2015 to 6 months ago
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
35
Full text available from East Europe, Central Europe Database: 01/01/2012 to present
Full text available from Education Database: 01/01/2012 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
36
Έκδοση 1996
Full text available from Engineering Database: 01/01/2013 to 01/31/2018
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
38
Έκδοση 1985
Full text available from ABI/INFORM Global: 01/01/1997 to 1998
Full text available from Advanced Technologies & Aerospace Database: 01/01/1997 to 1998
Full text available from Research Library: 01/01/1997 to 1998
Full text available from Science Database: 01/01/1997 to 1998
Ηλεκτρονική πηγή Επιστημονικό περιοδικό