/persons/resource/persons139379
Baumert,
Jürgen
External Organizations;
Center for Educational Research, Max Planck Institute for Human Development, Max Planck Society;
/persons/resource/persons139601
Köller,
Olaf
Max Planck Institute for Human Development, Max Planck Society;
Center for Educational Research, Max Planck Institute for Human Development, Max Planck Society;