H. H. M. Bandini, C. L. de A. C. de Oliveira, and Érika C. de Souza, “ Literacy abilities of preschool deaf children: emergent literacy ”, Paidéia (Ribeirão Preto), vol. 16, no. 33, pp. 51–58, Apr. 2006, doi: 10.1590/S0103-863X2006000100008.