2005 Introducing the invisible water routes of karstic systems to pupils: an educational project of Psiloritis Geopark -Oral presentation-.

Fassoulas, C., Iliopoulos, G., Voreadou, C., Stavridakis, K. (2005) Introducing the invisible water routes of karstic systems to pupils: an educational project of Psiloritis Geopark -Oral presentation-. 6th European Geoparks Meeting, Lesvos Island, 5-8 October 2005, Lesvos Island, Greece.