Des Jardins, Joseph R., author
Environmental ethics: an introduction to environmental philosophy
Wadsworth, 1997
 Buku Teks
Sudjoko, author
Ide tentang etika mengenai lingkungan Mahasiswa Yogyakarta = The ideas of environmental ethics amongst the Yogyakarta students
Universitas Indonesia, 1991
 UI - Tesis Membership
Davis, Mackenzie Leo, 1941-, author
Introduction to environmental engineering
McGraw-Hill, 1998
 Buku Teks
Davis, Mackenzie Leo, 1941-, author
Introduction to environmental engineering
McGraw-Hill, 1991
 Buku Teks
Gottlieb, Roger S., author
Morality and the environmental crisis
Cambridge University Press, 2019
 Buku Teks
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