Martinez-Del Rio IP, Lamas-Lara CA, Beltran-Pineda LB, Canales-De La Cruz MG. Problem-Based Learning: Developing Critical Thinking in Primary Education. RTED [Internet]. 2025 May 29 [cited 2026 Nov. 4];18(1):5-13. Available from: https://ojs.docentes20.com/index.php/revista-docentes20/article/view/561