Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Helm, Judy Harris and Beneke, Sallee",The power of projects : meeting contemporary challenges in early childhood classrooms-- strategies and solutions,,"Teachers College Press,National Association for the Education of Young Children",2003,Early childhood education series,,0807742988,,https://cir.nii.ac.jp/crid/1130282271942493696