Sugilar, Hamdan, Rahayu Kariadinata, and Nunung Sobarningsih. “SPEKTRUM SYMBOL DAN STRUCTURE SENSE MATEMATIKA SISWA MADRASAH TSANAWIYAH”. Kalamatika: Jurnal Pendidikan Matematika 4, no. 1 (April 30, 2019): 37-48. Accessed July 1, 2025. https://kalamatika.matematika-uhamka.com/index.php/kmk/article/view/264.