![](/img/cover-not-exists.png)
Behavior engagement as a measure of the efficacy of early intervention
McWilliam, R.A., Trivette, Carol M., Dunst, Carl J.Volume:
5
Language:
english
Journal:
Analysis and Intervention in Developmental Disabilities
DOI:
10.1016/S0270-4684(85)80006-9
Date:
January, 1985
File:
PDF, 647 KB
english, 1985