The P scales :
Ndaji, Francis & Tymms, Peter.
The P scales : assessing the progress of children with special educational needs / Francis Ndaji and Peter Tymms. - UK : Wiley-blackwell, 2009. - 198 p. : ill. ; 23 cm.
Includes index.
9780470518984
Children with disabilities --Education--Great Britain.
Educational tests and measurements--Great Britain.
Education--Learning Disabilities.--Special Education
371.9043 NDA
The P scales : assessing the progress of children with special educational needs / Francis Ndaji and Peter Tymms. - UK : Wiley-blackwell, 2009. - 198 p. : ill. ; 23 cm.
Includes index.
9780470518984
Children with disabilities --Education--Great Britain.
Educational tests and measurements--Great Britain.
Education--Learning Disabilities.--Special Education
371.9043 NDA