GESTURE SISWA TUNAGRAHITA DALAM MENYELESAIKAN MASALAH MATEMATIKA . Lintang Songo : Jurnal Pendidikan, [S. l.], v. 2, n. 2, p. 38–51, 2019. Disponível em: https://journal.unusida.ac.id/index.php/jls/article/view/294. Acesso em: 17 oct. 2026.