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- Document type:
- Buchbeitrag
- Author(s):
- Lehner, M.; Reiss, K.
- Title:
- Difficulty generating factors at university level: Comparing variations of tasks
- Pages contribution:
- p. S.232
- Editor:
- B. Kaur; W. Ho; T. Toh, ; B. Choy
- Book title:
- Proceedings of the 41st Conference of the International Group for the Psychology of Mathematics Education
- Edition:
- Singapur
- Publisher:
- PME
- Year:
- 2017
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