J E Flavell. Show Affiliations »
Abstract
Mesh: See more » AdolescentChildChild BehaviorHumansIntellectual Disability/therapyMaleMotor ActivityPlay and PlaythingsReinforcement, PsychologyStereotyped Behavior
Year: 1973 PMID: 4785602
Source DB: PubMed Journal: Ment Retard ISSN: 0047-6765