Lestary, Ratnah, Subanji, and Iqbal Ramadani. 2022. “Cognitive Conflict of Relational Learners in Connecting Proportion Concepts on Three Term Ratio Problems”. Numerical: Jurnal Matematika Dan Pendidikan Matematika 6 (2):129-40. https://doi.org/10.25217/numerical.v6i2.2576.