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Observational Measurement of Behavior
by Yoder, Paul J., Symons, Fra...
ISBN: 9780826137975
List Price: $60.00
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Pain in Children and Adults with Developmental Disabilities
by Symons, Frank J.
ISBN: 9781557668691
List Price: $39.95
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Observational Measurement of Behavior, Second Edition
by Lloyd, Blair, Yoder, Paul J...
ISBN: 9781681252469
List Price: $59.95