July Program Committee Andrea Kohlhase Paul Libbrecht 0 Helena Mihaljevic-Brandt Elena Smirnova 0 Iancu 0 Mihnea Kohlhase 0 Michael Lange 0 Christoph Lazrek 0 Azzeddine Luth 0 Christoph Obua 0 Steven Prodescu 0 Corneliu-Claudiu Whiteside 0 0 University of Edinburgh University of York Chalmers University Humboldt University Berlin Jacobs University Bremen Center for Educational Research, Martin Luther University Halle Zentralblatt MATH Texas Instruments Inc. Education Technology , USA 2013 10 2013