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3 Treffer, zeige 1 bis 3:


International Association for the Evaluation of Educational Achievement. Third International Mathematics and Science Study	Körperschaft	Österreich	411234-9
International Association for the Evaluation of Educational Achievement. First International Computers in Education Study	Körperschaft	Österreich	411235-0
IEA-ETS Research Institute	Körperschaft	Hamburg, Princeton, NJ USA, Hamburg	1223995534