1
Full text available from Engineering Database: 10/01/2012 to 03/31/2017
Ηλεκτρονική πηγή Περιοδική έκδοση
2
Full text available from ABI/INFORM Global: 07/01/2008 to present
Full text available from Engineering Database: 07/01/2008 to present
Full text available from Latin America & Iberia Database: 07/01/2008 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό