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Paperback
DiPaola, Michael F., Wagner, Charles A.
Improving Instruction Through Supervision, Evaluation, and Professional Development
€ 82.50
Paperback / softback
Elizabeth A. Theiss-Morse, Michael W. Wagner, William H. Flanigan, Nancy H. Zingale
Political Behavior of the American Electorate
€ 60.95
Boekstra