PRATAMA, D.; PRIHANDHIKA, A.; ZULKARNAEN, R.; NURLATIFAH, N.; HOERIYAH, P.; MAULUDANI, S. 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, v. 5, n. 3, p. 2451–2468, 2026. DOI: 10.58421/misro.v5i3.2027. Disponível em: https://journal-gehu.com/index.php/misro/article/view/2027. Acesso em: 15 oct. 2026.