Sugilar H, Kariadinata R, Sobarningsih N. SPEKTRUM SYMBOL DAN STRUCTURE SENSE MATEMATIKA SISWA MADRASAH TSANAWIYAH. KJPM [Internet]. 2019Apr.30 [cited 2025Sep.6];4(1):37-8. Available from: https://www.kalamatika.matematika-uhamka.com/index.php/kmk/article/view/264