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author
Ellen H. Richards
Buku oleh Ellen H. Richards
Euthenics, the science of controllable environment: A plea for better living conditions as a first step toward higher human efficiency The Cost of Shelter Penilaian: 0 dari 5 bintang0 penilaianEuthenics, the science of controllable environment: A plea for better living conditions as a first step toward higher human efficiency Penilaian: 0 dari 5 bintang0 penilaianThe Cost of Shelter Penilaian: 0 dari 5 bintang0 penilaian