Hubwieser, P.;Armoni, M.;Brinda, T.;Dagiene, V.;Diethelm, I.;Giannakos, M. N. et al..Computer science/informatics in secondary education.Proceedings of the 16th annual conference reports on Innovation and technology in computer science education - working group reports.ITiCSE-WGR ’11.ACM.2011