‘Developing spatial skills for middle school students using a modern technology navigational instrument’, The International Journal of Learning, τ. 14, 2007.

‘Historical analysis of illustrations of scientific instruments in Greek primary school textbooks (1878 -1950)’, in International Meeting on Critical Analysis of School Science Textbook, IOSTE (International Organisation for Science and Technology Education), Hammamet, Tunisia, 2007.

‘Teaching the notion of space: Didactical applications of cartography and Nautical instruments’. 2007.

‘Pedagogical Aspects of Scientific Instruments’, The International Journal of Learning, τ. 13, 2006.

‘Development of orientation skills of 6th grade primary school students using compass and map: a case study’, in 11th Biennial Conference of European Association for Research on Learning and Instruction (EARLI) “Integrating Multiple Perspectives on Effective Learning Environments”, Nicosia, Cyprus, 2005.

‘Greek Primary School Students’ Knowledge on Scientific Instruments and their History. Implementation of Activities for Developing Spatial Skills’, in 8th International History, Philosophy, Sociology & Science Teaching Conference “Teaching and Communicating Science”, Leeds, England, 2005.

‘Investigation of the existing knowledge and conceptions of Greek 6th grade Primary School students towards Scientific Instruments and their History’, in European Science Education Research Association Conference (ESERA) “Contributions of Research to Enhancing Students’ Interest in Learning Science”, Barcelona, Spain, 28/8-1/9, 2005.