Lesmana NW. Analisis Kemampuan Penalaran Matematis Siswa SMP Pada Materi Himpunan. Didact. Math. [Internet]. 2022 Mar. 7 [cited 2026 Jun. 20];4(1):119-26. Available from: https://www.ejournal.unma.ac.id/index.php/dm/article/view/2040