Problem Based Learning Strategy on Critical Thinking Skills of Grade X Students in Economics Subject at SMAN 5 Pekanbaru. Kamil : Journal of Education, [S. l.], v. 2, n. 1, p. 22–28, 2026. DOI: 10.65065/1ysmk409. Disponível em: https://ojs.jaanur.com/index.php/kje/article/view/194. Acesso em: 25 may. 2026.