umar, umar, Tri Novita Irawati, and Fury Styo Siskawati. 2022. “The Aplication of Group Investigation Based Realistic Mathematic Education Learning Model to Increase Activity and Mathematics Learnings Outcomes”. Jurnal Axioma : Jurnal Matematika Dan Pembelajaran 6 (2):87-95. https://doi.org/10.36835/axi.v6i2.1049.