Evaluation of interactive on-screen videos for geometrical constructions in virtual space

Knapp, OlafSchumann, Heinz2013-12-182013-12-182008http://hdl.handle.net/2003/3167110.17877/DE290R-11450enGesellschaft für Didaktik der Mathematik510Evaluation of interactive on-screen videos for geometrical constructions in virtual spaceconference contribution