2
Έκδοση 1978
...Electronic journals....
Full text available from Agricultural Science Database: 03/01/2012 to present
Full text available from Biological Science Database: 03/01/2012 to present
Full text available from Latin America & Iberia Database: 03/01/2012 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
3
...Electronic journals....
Full text available from Health & Medical Collection: 07/01/2010 to present
Full text available from Latin America & Iberia Database: 07/01/2010 to present
Ηλεκτρονική πηγή Περιοδική έκδοση
4
Έκδοση 1999
...Electronic journals....
Available in Fuente Académica Plus.
Ηλεκτρονική πηγή Επιστημονικό περιοδικό