HARAHAP, V. F. The Role of Students’ Critical Thinking Ability in Learning Mathematics with Problem Solving. EDUCTUM: Journal Research, [S. l.], v. 2, n. 5, p. 140–144, 2023. DOI: 10.56495/ejr.v2i5.420. Disponível em: https://jurnal.larisma.or.id/index.php/EJR/article/view/420. Acesso em: 5 jul. 2025.