1. Helaakoski, J., Viiri, J.: Content and content structure of physics lessons and students’ learning gains. In: Fischer, H.E., Labudde, P., Neumann, K., Viiri, J. (eds.) Quality of Instruction in Physics. Comparing Finland, Germany and Switzerland, pp. 93–110. Waxmann, Münster (2014)
2. Klieme, E., Pauli, C., Reusser, K.: The pythagoras study. Investigating effects of teaching and learning in Swiss and German mathematics classrooms. In: Janík, T., Seidel, T. (eds.) The Power of Video Studies in Investigating Teaching and Learning in the Classroom, pp 137–160. Waxmann, Münster (2009)
3. Donnelly, P., Blanchard, N., Olney, A., Kelly, S., Nystrand, M., D’Mello, S.: Words matter: automatic detection of teacher questions in live classroom discourse using linguistics, acoustics, and context. In: Proceedings of the Seventh International Learning Analytics and Knowledge Conference, pp. 218–227. ACM (2017)
4. Lecture Notes in Computer Science;N Ikeda,2016
5. Mirzaei, M.S., Meshgi, K., Kawahara, T.: Automatic speech recognition errors as a predictor of L2 listening difficulties. In: CL4LC 2016, pp. 92–201 (2016)