* Kaiser, G., & Vollstedt, M. (2007). Teachers’ Views on Effective Mathematics Teaching: Commentaries from a European Perspective. [[ZDM]] ‐ The International Journal on Mathematics Education, 39(4), 341–348. | * Kaiser, G., & Vollstedt, M. (2007). Teachers’ Views on Effective Mathematics Teaching: Commentaries from a European Perspective. [[ZDM]] ‐ The International Journal on Mathematics Education, 39(4), 341–348. |