TY  - BOOK
AU  - Trevor Tebbs,
TI  - Ways and means: a resource book of aids, methods, materials and systems for use with the language retarded child 
SN  - 0333237188
U1  - 371.9 SOM 
PY  - 1978///
CY  - London : 
PB  - Somerset Education Authority, 
KW  - Children with mental disabilities -- Education
ER  -