Sudjoko
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-
Introduction to environmental engineering
McGraw-Hill, 1998
 Buku Teks
Davis, Mackenzie Leo, 1941-
Introduction to environmental engineering
McGraw-Hill, 1991
 Buku Teks
Gottlieb, Roger S.
Morality and the environmental crisis
Cambridge University Press, 2019
 Buku Teks SO
Masters, Gilbert M.
Introduction to environmental engineering and science
Prentice-Hall, 2008
 Buku Teks