The Effect of Problem-Based Learning Model on Mathematical Critical Thinking Skills of Junior High School Students: A Meta-Analysis Study. JP3I (Jurnal Pengukuran Psikologi dan Pendidikan Indonesia), [S. l.], v. 10, n. 2, p. 142–157, 2021. DOI: 10.15408/jp3i.v10i2.17893. Disponível em: https://journal.uinjkt.ac.id/jp3i/article/view/17893. Acesso em: 22 dec. 2025.