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29 фев 1880 г. - Arnold Gesell (died in 1961)
Описание:
Identified changes in growth and behavior of children, he studied typical behavior of children
Добавлено на ленту времени:
early American child development
By
hope
17 окт 2017
0
0
478
Дата:
29 фев 1880 г.
Сейчас
~ 145 г назад
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