Highway and traffic engineering in developing countries / edited Bent Thagesen
E & FN spon, 1996
 Buku Teks
Santi Rosita Devi
Gerakan Lingkungan Anti Sawit Greenpeace Pada Tahun 2008-2010 = Greenpeace Anti Palm Environmental Movement In 2008-2010
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
 UI - Skripsi Membership
Cairncross, Sandy
Environmental health engineering in the tropics: an introductory text / Sandy Cairncross and Richard G. Feachem
John Wiley & Sons, 1993
 Buku Teks
Developing world water
edited by John Pickford
Grosvenor Press International, 1987
 Buku Teks
Developing world water
Grosvenor Press, 1986
 Buku Teks