Utami R, Dahlan JA. Kompetensi Strategis Matematis Pada Materi Bangun Ruang Sisi Datar. Didact. Math. [Internet]. 2023 Jun. 24 [cited 2026 Jun. 17];5(2):156-6. Available from: https://www.ejournal.unma.ac.id/index.php/dm/article/view/5626