PDEODE Strategy Assisted by GeoGebra: Improving Students’ Critical Thinking and Mathematical Analysis. Online Learning In Educational Research (OLER), [S. l.], v. 3, n. 1, p. 15–22, 2023. DOI: 10.58524/oler.v3i1.203. Disponível em: https://journal.foundae.com/index.php/oler/article/view/203. Acesso em: 16 jan. 2026.