http://europa.eu/youreurope/business/sell-abroad/import-export/index_el.htm
https://portal.gsis.gr/portal/page/portal/ICISnet/services?adreseeID=10026938
http://ec.europa.eu/taxation_customs/dds2/taric/taric_consultation.jsp?Lang=el
A tool for finding procedures and licenses for export to third countries
https://madb.europa.eu/madb/datasetPreviewFormIFpubli.htm?datacat_id=IF&from=publi