SANTIA, I.; PURWANTO; SUTAWIDJADJA, A.; SUDIRMAN; SUBANJI. Exploring mathematical representations in solving ill-structured problems: The case of quadratic function. Journal on Mathematics Education, [S. l.], v. 10, n. 3, p. 365–378, 2019. Disponível em: https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3800. Acesso em: 1 sep. 2025.