SARTIKA, N. S. Penerapan Bahan Ajar Trigamaster Untuk Menghindari Mind In Chaos Siswa Pada Pokok Bahasan Trigonometri. SJME (Supremum Journal of Mathematics Education), [S. l.], v. 3, n. 2, p. 78–84, 2019. DOI: 10.35706/sjme.v3i2.1710. Disponível em: https://journal.unsika.ac.id/index.php/supremum/article/view/1710. Acesso em: 3 may. 2024.