Nana Sumarna and Izlan Sentryo. A Descriptive Study on Improving of Prospective Elementary Teachers’ Reasoning: Learning Geometry through Mathematical Investigation. STHSS-V3 [Internet]. 2021 Jul. 10 [cited 2026 Jun. 3];:124-33. Available from: https://stm.bookpi.org/STHSS-V3/article/view/2302