Hirschhorn, Joel S., author
Universitas Indonesia, 1996
UI - Laporan Penelitian
Fakultas Teknik Universitas Indonesia, 1996
UI - Laporan Penelitian
Nemerow, Nelson Leonard
New York John Wiley & Sons 1995,
Buku Teks
UNEP , 1991
Buku Teks
Maslansky, Steven P.
New York Van Nostrand Reinhold 1997,
Buku Referensi