PENERAPAN CHALLENGE-BASED LEARNING DALAM UPAYA MENINGKATKANKEMAMPUAN PEMAHAMAN KONSEPMATEMATIKA SISWA SMA. EduMa: Mathematics education learning and teaching, [S. l.], v. 5, n. 2, p. 70–76, 2016. DOI: 10.24235/eduma.v5i2.1125. Disponível em: https://journal1.uinssc.ac.id/index.php/eduma/article/view/1125. Acesso em: 28 may. 2026.