Συνέδρια
EUROLOGO conference 1987 - Dublin
EUROLOGO conference 1989 - Gent
EUROLOGO conference 1991 - Parma
EUROLOGO conference 1993 - Anavisos
EUROLOGO conference 1995 - Birmingham
EUROLOGO conference 1997 - Budapest, HUNGARY
Constructionism 2010 – France, Paris http://etl.ppp.uoa.gr/constructionism2010/video_index.html
Constructionism 2012 – Greece, Athens
Constructionism 2014 – Austria, Vienna
Constructionism 2016 – Thailand, Bangkok
Constructionism 2018 – Vilnius, Lithuania