Besonderhede van voorbeeld: -8248921219343957645

Metadata

Author: QED

Data

English[en]
So claims that -- about the failure of conservation in children at different ages could be easily tested and systematically tested, and in fact, there's a lot of support for them.
Korean[ko]
보존인식에 대한 실패는 쉽게 실험할 수 있고 체계적으로 실험이 가능합니다. 그리고 사실,

History

Your action: