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  • × author_ss:"Ehlers, U.-D."
  • × theme_ss:"Computer Based Training"
  • × type_ss:"a"
  • × language_ss:"d"
  • × year_i:[2000 TO 2010}
  1. Ehlers, U.-D.; Becker, P.: "Didaktik!" : Interview (2005) 1.00 
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