Hubwieser, P.;Mühling, A..What students (should) know about object oriented programming.Proceedings of the seventh international workshop on Computing education research.ICER ’11.ACM.2011

Hubwieser, P.;Mühling, A..Knowpats: Patterns of Declarative Knowledge. Searching Frequent Knowledge Patterns about Object-orientation.Proceedings of the International Conference on Knowledge Discovery and Information Retrieval.October 26 - 29.ScitePress.2011

Hubwieser, P.;Mühling, A..Investigating cognitive structures of object oriented programming.Proceedings of the 16th annual joint conference on Innovation and technology in computer science education.ITiCSE ’11.ACM.2011

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

Hubwieser, P.;Berges, M..Minimally invasive programming courses: learning OOP with(out) instruction.Proceedings of the 42nd ACM technical symposium on Computer science education.1953195.ACM Press.2011