By Fremerey Christian   Bogner Franz X.   in Education Sciences

ISSN:2227-7102|4|4|213-228

MDPI‎(2014)‎

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By Müller Meinard   Konz Verena   Clausen Michael   Ewert Sebastian   Fremerey Christian   in Interdisciplinary Science Reviews

ISSN:1743-2790|35|2|138-153

Maney Publishing‎(2010)‎

Access to resources Favorite 8.836329