SHAHRUL, Qamarina Dayana; NASIR, Nurihan; SURYADI, Didi. Ontogenic Learning Obstacles in The Learning of Functional Graph Topic Form Two. EDUCATUM Journal of Science, Mathematics and Technology, [S. l.], v. 12, p. 116–134, 2025. DOI: 10.37134/ejsmt.vol12.sp.11.2025. Disponível em: https://ejournal.upsi.edu.my/index.php/EJSMT/article/view/11351. Acesso em: 5 dec. 2025.