Accreditation of skills, competences and qualifications obtained by informal training coursesAccreditation of skills, competences and qualifications obtained by informal training courses Δημοσίευση σε Συνέδριο Conference Publication 2015-11-102000enhttp://creativecommons.org/licenses/by/4.0/Leonardo Da Vinci Conference Lia Krasadaki Κρασαδακη-Μητσοτακη Ευαγγελια Siskos Y. Matsatsinis Nikolaos Ματσατσινης Νικολαος IT (Information technology) information technology it information technology