Efektivitas Penerapan Model Contextual Teaching and Learning terhadap Pemahaman Konsep Matematis pada Materi SPLDV. Circle: Jurnal Pendidikan Matematika, [S. l.], v. 2, n. 2, p. 102–114, 2022. DOI: 10.28918/circle.v2i02.5280. Disponível em: https://e-journal.uingusdur.ac.id/circle/article/view/519. Acesso em: 7 aug. 2026.