~ tracking down this book ~
only cover on file
Euthenics, the Science of Controllable Environment
“a plea for better living conditions as a first step toward higher human efficiency”
1910162 pages~3h read
only cover on file
Euthenics, the Science of Controllable Environment
“a plea for better living conditions as a first step toward higher human efficiency”
1910162 pages~3h read
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