Baumert, Jürgen Center for Educational Research, Max Planck Institute for Human Development, Max Planck Society; Max Planck Institute for Human Development, Max Planck Society;
Baumert, J., & Prenzel, M. (Eds.). (2002). PISA: Konzept und Ergebnisse [Special issue] [Special Issue]. Unterrichtswissenschaft, 30(1),.