LETCHMANAN, K.; AHMAD, A. C.; OMAR, S. Using of tactile method in helping remedial students in a Tamil school to differentiate small letters “b” and “d”: A case study . International Journal of Management and Development Studies , [S. l.], v. 7, n. 2, p. 40–43, 2018. Disponível em: https://old.ijmds.in/index.php/ijmds/article/view/931. Acesso em: 5 apr. 2026.