Chiphambo, S. 2026. Reconceptualising The Geometry Gap: Theoretical Insights From Van Hiele And Constructivist Perspectives On Triangle Theorem Instruction In South Africa. Journal of Mathematics Instruction, Social Research and Opinion. 5, 3 (Jul. 2026), 2035–2048. DOI:https://doi.org/10.58421/misro.v5i3.1193.