Arni, A., Nurhayadi, N. ., & Ismaimuza, D. (2023). Application of the Realistic Mathematical Education (RME) Approach to the Operational Material of Addition of Fractions to Increase Activities and Learning Outcomes of Elementary School Students. Jurnal Universitas Tadulako, 7(1), 1-13. https://doi.org/10.22487/j25490192.2023.v7.i1.pp1-13