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Google圖書搜尋
Euthenics, the Science of Controllable Environment
Ellen Henrietta Richards
其他書名
A Plea for Better Living Conditions as a First Step Toward Higher Human Efficiency
出版
Whitcomb & Barrows
, 1910
URL
http://books.google.com.hk/books?id=U5NtH8VQ22AC&hl=&source=gbs_api
