ASHWINI S. BAGANE,; PROF. S.R. JAGTAP. A LOW COST PORTABLE REFRESHABLE PAPERLESS BRAILLE FOR BLIND PEOPLE. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, p. 1–5, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/1100. Acesso em: 1 aug. 2025.