TY  - BOOK
AU  - Lacey Penny Ed.
AU  -  Ashdown Rob Ed. Jones Phyllis Ed.
TI  - Routledge companion to severe, profound and multiple learning difficulties
SN  - 978-0-415-70998-9
PY  - 2015///
CY  - London, UK
PB  - Routledge 
ER  -