NG AI LEE, A. Q.; ENG HOCK, K.; HOSSHAN, H. Essentials of Pre-Braille Skills in Braille Learning: A Literature Review. Jurnal Pendidikan Bitara UPSI, [S. l.], v. 14, n. 2, p. 76–86, 2021. DOI: 10.37134/bitara.vol14.2.7.2021. Disponível em: https://ejournal.upsi.edu.my/index.php/JPB/article/view/5787. Acesso em: 29 may. 2024.