颁布单位:[University of Alberta] |
颁布时间:1991 |
实施时间:1991 |
学科分类:[Mainstreaming, in, education--Case, studies, Social, interaction, in, children--Case, studies, Children, with, mental, disabilities--Education, (Preschool)--Case, studies, Down, syndrome--Patients--Education, (Preschool)--Case, studies]