<https://www.depa.gr/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.depa.gr/participation-of-depa-in-the-2nd-annual-csrforum-2012-on-corporate-responsibility-the-crisis-as-an-opportunity-for-awakening-csr-luxury-or-necessity/?lang=en>