Mathematical learning and its difficulties in the middle european countries

Desoete, A., Dowker, A., & Hasselhorn, M. (2019). Mathematical learning and its difficulties in the middle european countries. In International Handbook of Mathematical Learning Difficulties: From the Laboratory to the Classroom (pp. 127–144). Springer International Publishing. https://doi.org/10.1007/978-3-319-97148-3_9