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The top documents tagged [various phases of pecs]
Documents
Picture Exchange Communication System (PECS) based on PECS Bondy & Frost, 1994 &2002 Presented by: Medley Sapp, MEd. Sharon Jasperson, Technical Assistant
258 views
Documents
Picture Exchange Communication System (PECS) based on PECS Bondy & Frost, 1994 &2002
59 views