(Q37698017)
Statements
1 reference
Effectiveness of the Picture Exchange Communication System (PECS) on communication and speech for children with autism spectrum disorders: a meta-analysis (English)
1 reference
Linda R Watson
1 reference
Michelle Flippin
1 reference
Stephanie Reszka
1 reference
24 February 2010
1 reference
1 reference
19
1 reference
2
1 reference
178-195
1 reference
Identifiers
1 reference
1 reference