References
- Black, P., & Wiliam, D. (1998). Assessment and classroom learning. Assessment in Education, 5(1), 7–74. doi: 10.1080/0969595980050102
- Cai, J., Kaiser, G., Perry, B., & Wong, N.-Y. (Eds.) (2009). Effective mathematics teaching from teachers’ perspectives: National and international studies. Rotterdam: Sense.