Bernard, Martin, Nuni Nurmala, Shinta Mariam, and Nadila Rustyani. “Analisis Kemampuan Pemecahan Masalah Matematis Siswa SMP Kelas IX Pada Materi Bangun Datar”. SJME (Supremum Journal of Mathematics Education) 2, no. 2 (July 2, 2018): 77–83. Accessed November 22, 2024. https://journal.unsika.ac.id/supremum/article/view/1317.