Ward, Barbara, author
a pelican book, 1972
Buku Teks
tim penyusun, Marhani Abdul Kahar ... [and others]
Kantor Menteri Lingkungan Hidup, 1996
Buku Referensi
Pierre Jacquet; Pierre Jacquet, editor
Presses de Sciences, 2009
Buku Teks
edited by M. Marois
Pergamon Press, 1977
Buku Teks
Eko Budihardjo, 1944-2014, author
Alumni , 1993
Buku Teks