‘The depletion of the ozone layer in Greek school science textbooks’, in International Meeting on Critical Analysis of School Science Textbook, IOSTE (International Organisation for Science and Technology Education), Hammamet, Tunisia, 2007.

‘Educational Software on Ozone Layer Depletion’, in 8th CBLIS (Computer Based Learning in Science) 2007 Conference, Crete, Greece, 2007, Accessible at http://cblis2007.teiher.gr/sessions.asp.

‘A web based approach to teaching the subject “Renewable energy sources” in Technical Vocational Educational Schools in Greece using the ELearn web platform’, in 8th CBLIS (Computer Based Learning in Science) 2007 Conference, Crete, Greece, 2007, Accessible at http://cblis2007.teiher.gr/sessions.asp.