Sulistyoweni Widanarko, author
Fakultas Teknik Universitas Indonesia, 1988
UI - Laporan Penelitian
M. Muziono, author
Fakultas Teknik Universitas Indonesia, 2004
UI - Tesis (Membership)
Laws, Edward A., author
John Wiley & Sons, 1981
Buku Teks
Laws, Edward A., author
John Wiley & Sons, 2000
Buku Teks
Knesse, Allen V., author
Resources for the Future, 1962
Buku Teks