* Prediger, S. & Erath, K. (2014). Content or interaction or both? Synthesizing two German traditions in a video study on learning to explain. ''Eurasia Journal of Mathematics, Science & Technology Education, 10''(4), 313-327. | * Prediger, S. & Erath, K. (2014). Content or interaction or both? Synthesizing two German traditions in a video study on learning to explain. ''Eurasia Journal of Mathematics, Science & Technology Education, 10''(4), 313-327. |