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

von Conaghan, Brian Patrick
Veröffentlicht 1984

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

von Kumin, Libby
Veröffentlicht 2012

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

von Godfrey, Debbie
Veröffentlicht 1998

Improving the communication of people with Down syndrome /

Veröffentlicht 1999

Speech and language intervention in Down syndrome /

Veröffentlicht 2003