LALU NURUL WATHONI. Analysis of Elementary School Students’ Critical Thinking Process in Solving Open-Ended Problems Using the Problem-Based Learning Model. Journal of Practice Learning and Educational Development , [S. l.], v. 6, n. 3, 2026. DOI: 10.58737/jpled.v6i3.1229. Disponível em: http://www.digitalpress.gaes-edu.com/index.php/jpled/article/view/1229. Acesso em: 25 oct. 2026.