TALIA, N.; AIRLANDA, G. S. The Effectiveness of Problem-Based Learning and Scramble Models in Enhancing Critical Thinking Skills of Fifth Grade Elementary School Students in Integrated Science and Social Studies. Journal of Innovation and Research in Primary Education, [S. l.], v. 4, n. 3, p. 557–564, 2025. DOI: 10.56916/jirpe.v4i3.1404. Disponível em: https://ejournal.papanda.org/index.php/jirpe/article/view/1404. Acesso em: 21 jan. 2026.