The Effect of Contextual Learning Trough Teaching Materials Application-Based on Problem Solving Ability. EduMa: Mathematics education learning and teaching, [S. l.], v. 11, n. 1, p. 20–30, 2022. DOI: 10.24235/eduma.v11i1.9604. Disponível em: https://journal1.uinssc.ac.id/index.php/eduma/article/view/9604. Acesso em: 10 jun. 2026.