Awalludin, S.A., Sahab, F. and Saelim, R. 2025. The Effect of Self-Explanation Learning Strategies on Students’ Understanding of Mathematical Concepts. International Journal of Geometry Research and Inventions in Education . 2, 02 (Aug. 2025), 81–90. DOI:https://doi.org/10.56855/gradient.v2i02.1750.