# Developing Learning Trajectory Based Instruction of the Congruence for Ninth Grade Using Central Java Historical Building

> Research article (JRAMathEdu (Journal of Research and Advances in Mathematics Education), 2018) · cited 16× · AI/ML

**Wikidata**: [openalex:W2890339514](https://www.wikidata.org/wiki/openalex:W2890339514)  
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