Pratama, D., Prihandhika, A., Zulkarnaen, R., Nurlatifah, N., Hoeriyah, P. and Mauludani, S. (2026) “Spatial-Algebraic Cognitive Barriers in Solving Ellipse and Hyperbola Problems: An Analysis Using Polya’s Heuristics and Cognitive Load Theory”, Journal of Mathematics Instruction, Social Research and Opinion. Bandung, Indonesia, 5(3), pp. 2451–2468. doi: 10.58421/misro.v5i3.2027.