Kostas Kaltsas - Head of the Engineering Management Office, NATO integrated Mobile Services Centre - NATO Communications and Information Agency (NCI Agency) | LinkedIn
Κώστας Καλτσάς: Η ομάδα χωρίς την διοίκηση δεν θα υπήρχε - soccerlive.gr
Kostas Kaltsas - Tour Leader/Cruise Director - Gate 1 Travel | LinkedIn
Κωνσταντίνος Καλτσάς | POPAGANDA - Η ΖΩΗ ΣΕ ΥΨΗΛΗ ΑΝΑΛΥΣΗ
Στη Δάφνη Ταμπουρίων ο Καλτσάς – stoplekto.gr
Κωνσταντίνος Κάλτσας, Author at Athens Epidaurus Festival
kostas-kaltsas | English | University of Southampton
Kostas Kaltsas - Head of the Engineering Management Office, NATO integrated Mobile Services Centre - NATO Communications and Information Agency (NCI Agency) | LinkedIn