1. Toward an experimental ecology of human development;Bronfenbrenner;American Psychologist,1977
2. The social world of the child;Damon,1977
3. Early education and Piagetian theory: Applications versus implications;DeVries,1978
4. Programs of early education: The constructivist view;DeVries,1987
5. Piaget for early education;Kamii,1977