Discovery-Learning Based Handout Teaching Media Using Design-Thinking Model to Improve Students’ Learning Outcomes on Earth Structure Material. Online Learning In Educational Research (OLER), [S. l.], v. 4, n. 1, p. 13–29, 2024. DOI: 10.58524/oler.v4i1.389. Disponível em: https://journal.foundae.com/index.php/oler/article/view/389. Acesso em: 16 jan. 2026.