Acquisition and generalization of manual signs with hearing-handicapped mentally retarded persons

Por Conaghan, Brian Patrick
Publicado em 1984

Early communication skills for children with down syndrome : a guide for parents and professionals /

Por Kumin, Libby
Publicado em 2012

Enhancing communication : a guide to communicating with children, aged 5 years & over, who have special needs /

Por Godfrey, Debbie
Publicado em 1998

Improving the communication of people with Down syndrome /

Publicado em 1999

Speech and language intervention in Down syndrome /

Publicado em 2003