By Höffler Tim   in Educational Psychology Review

ISSN:1040-726X|22|3|245-269

Springer Publishing Company ‎(2010)‎

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By Dierks Pay O.   Höffler Tim N.   Parchmann Ilka   in Research in Science & Technological Education

ISSN:1470-1138|32|2|97-114

Routledge Ltd‎(2014)‎

Access to resources Favorite 9.337872