Kusnadi, Fida Nisaa, Tika Karlina Rachmawati, and Hamdan Sugilar. “Kemampuan Pemahaman Matematis Siswa Pada Materi Trigonometri”. SJME (Supremum Journal of Mathematics Education) 5, no. 2 (July 28, 2021). Accessed May 2, 2024. https://journal.unsika.ac.id/index.php/supremum/article/view/5140.