Author
National Association for the Education of Young Children
3
Council for Exceptional Children. Division for Early Childhood
2
Education Center (Greensboro, N.C.)
2
World Organization for Early Childhood Education
2
Alberta Teachers' Association
1
Alberta Teachers' Association. Early Childhood Education Council
1
Association for Early Childhood Education, Ontario
1
Australian Early Childhood Association
1
Australian Pre-School Association
1
Canadian Association for Young Children
1
ERIC Clearinghouse on Elementary and Early Childhood Education
1
Early Childhood Australia
1
National Institute for Early Education Research (U.S.)
1
ProQuest Information and Learning Company
1
Yuga Chŏngch'aek Yŏn'guso
1
Yuga Chŏngchʻaek Kaebal Sentʻŏ (Korea)
1