SARUMAHA, Yenny Anggreini; KHAIRIANI, Dian; KHASANAH, Nur Dina Meylaila; SARI, Nurma. Jari Trigonometri: Alternatif Alat Peraga Pembelajaran Matematika. Plusminus: Jurnal Pendidikan Matematika, [S. l.], v. 4, n. 1, p. 69–82, 2024. DOI: 10.31980/plusminus.v4i1.1496. Disponível em: https://journal.institutpendidikan.ac.id/index.php/plusminus/article/view/1496. Acesso em: 22 dec. 2024.