TAUFIQ, Irham; AGUSTITO, Denik. Uji Kelayakan Modul Trigonometri Berbasis Ajaran Tamansiswa. Mosharafa: Jurnal Pendidikan Matematika, [S. l.], v. 10, n. 2, p. 281–290, 2021. DOI: 10.31980/mosharafa.v10i2.661. Disponível em: https://journal.institutpendidikan.ac.id/index.php/mosharafa/article/view/661. Acesso em: 5 jul. 2024.