Monographie (Autorenschaft)
Achievement Growth: International and U.S. State Trends in Student Performance
Ludger Wößmann, Eric A. Hanushek, Paul E. Peterson
Program on Education Policy and Governance, Harvard University, Cambridge, MA, 2012
PEPG Report No. 12-03
Program on Education Policy and Governance, Harvard University, Cambridge, MA, 2012
PEPG Report No. 12-03
Information (PDF)