A. Stoumpa, Chalkidis, A., και Skordoulis, C., Συγγρ., ‘PRE-SERVICE TEACHERS’ CONCEPTUAL PROFILE CHANGE WHEN DISCUSSING AN ENVIRONMENTAL PHENOMENON’, in ESERA 2011, Lyon, France, 2012.

A. Gkiolmas, Chalkidis, A., Papaconstantinou, A., Stavrou, D., Karamanos, K., και Skordoulis, C., Συγγρ., ‘Ecosystem Food Webs as Dynamic Systems: Educating Undergraduate Teachers in Conceptualizing Aspects of Food Webs’ Systemic Nature and Comportment’, in 6th National & International HSSS Conference "Systemic Approaches in Social Structures, Athens, Greece, 2010.

A. Stoumpa, Chalkidis, A., και Skordoulis, C., Συγγρ., ‘Student-teachers explaining acidification in three different scales: a case study’, in XIV IOSTE International Conference, 2010.

A. Gkiolmas, Chalkidis, A., Papaconstantinou, A., Stavrou, D., Karamanos, K., και Skordoulis, C., Συγγρ., ‘Teaching concepts of Complex Systems to prospective Greek Primary School teachers, with the use of NetLogo models’, in MAPS2 Conference: Teaching of/with Agent-Based Models in the Social Sciences, ENS ULM, Paris, France, 2010.