SPCE 683-Communication Systems Assignment
User Edyawna García Wallace (Yana) on YouTube,
This video is about common communication systems, the Picture Exchange Communication System (PECS) Research source: Boesch, M.…
Comparative efficacy of the Picture Exchange Communication System (PECS) versus a speech-generating device: Effects on requesting skills
Overview of attention for article published in Research in Autism Spectrum Disorders, March 2013