Ndaji, F., & Tymms, P. (2009). The P scales: Assessing the progress of childen with special educational needs. Wiley-Blackwell.
Chicago Edition CitationNdaji, Francis, and Peter Tymms. The P Scales: Assessing the Progress of Childen with Special Educational Needs. West Sussex: Wiley-Blackwell, 2009.
MLA Edition CitationNdaji, Francis, and Peter Tymms. The P Scales: Assessing the Progress of Childen with Special Educational Needs. Wiley-Blackwell, 2009.
Warning: These citations may not always be 100% accurate.