Abolla, M.B., Yurniwati Yurniwati and Faisal Madani 2024. The Effect of Schema-Based Instruction to Improve Mathematics Problem-Solving Ability of Elementry Students. Jurnal Elementaria Edukasia. 7, 2 (Jun. 2024), 2827–2836. DOI:https://doi.org/10.31949/jee.v7i2.9439.