Language Stimulation for Children with Mental Retardation-An Activity Manual for Parents. Global Journal of Human-Social Science, [S. l.], v. 13, n. G10, p. 37–44, 2013. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/702. Acesso em: 20 feb. 2026.