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Weyers, S. (2018). Inverted classroom meets gamification - Use of a bonus point system in a foundation course. In J. Buchner, C. F. Freisleben-Teutscher, J. Haag, & E. Rauscher, Inverted classroom, multifaceted learning: Accompanying volume to the conference Inverted Classroom and Beyond 2018 (pp. 239-244). Brunn am Gebirge: ikon VerlagsGesmbH.