KHALIFAH, S. M.; SUSANTA, A. .; SUMARDI, H. .; SUSANTO, E. . The Influence of The Problem-Based Learning Model on The Learning Outcomes of Seventh-Grade Students Junior High School. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 8, n. 3, p. 771–784, 2023. DOI: 10.31943/mathline.v8i3.339. Disponível em: https://mathline.unwir.ac.id/index.php/Mathline/article/view/339. Acesso em: 10 mar. 2025.