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  • × author_ss:"Oettinger, U."
  • × theme_ss:"Ausbildung"
  • × language_ss:"d"
  • × year_i:[2000 TO 2010}
  1. Klein, K.; Oettinger, U.: Konstruktivismus : die neue Perspektive im (Sach-)Unterricht (2000) 1.00
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