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by Adolf Dronke
by E. Doernberger
by Schule, Steven
by Dam, Harmjan; Dogruer, Selcuk; Faust-Kallenberg, Susanna
by Weinschenk, Julius
by Hartmann, Jens-uwe; Bock-raming, Andreas (CON); Chung, Jin-il (CON); et al.
by Gerstacker, Friedrich
by Deutsches Institut fur Internationale Padagogische Forschung; Institut fur Bildungsrecht und Bildungsforschung
by Germonprez, Katrin
by Rein, Wilhelm