1. Floor Time and Evidence-Based Practice
2. Diagnostic and Statistical Manual of Mental Disorders
3. Beyer J, Gammeltoft L(2005) Autism and play(Kim TY, Trans). Seoul: Special Education
4. Brody VA(1997) The dialogue of touch: developmental play therapy. LH:Jason Aronson
5. Bundy AC(2003) Test of playfulness(ToP) manual, Version 4.0. Master’s thesis, Sydney University