Constructing an exemplary mathematical justification: Why is it so hard for mathematics teachers?

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Citation
Chua, B. L., Toh, P. C., & Yap, V. B. (2019). Constructing an exemplary mathematical justification: Why is it so hard for mathematics teachers? (Research Brief Series No. 19-027). National Institute of Education (Singapore). https://hdl.handle.net/10497/21899
Author
Chua, Boon Liang
•
Toh, Pee Choon 
•
Yap, Von Bing
Date Issued
2019
Publisher
National Institute of Education (Singapore)
Series
Research Brief Series; 19-027
Description
This brief was based on the project OER 01/16 CBL: Justification in Mathematics (JiM).