Wossmann, L., & European Commission : Directorate-General for Economic and Financial Affairs. (2003). European "education production functions": What makes a difference for student achievement in Europe? Brussels: European Comission: Directorate-General for Economic and Financial Affairs.
Παραπομπή Chicago StyleWossmann, Ludger., and European Commission : Directorate-General for Economic and Financial Affairs. European "education Production Functions": What Makes a Difference for Student Achievement in Europe? Brussels: European Comission: Directorate-General for Economic and Financial Affairs, 2003.
Παραπομπή MLAWossmann, Ludger., and European Commission : Directorate-General for Economic and Financial Affairs. European "education Production Functions": What Makes a Difference for Student Achievement in Europe? Brussels: European Comission: Directorate-General for Economic and Financial Affairs, 2003.