Margaret Kalacska, G. Arturo Sanchez-Azofeifa, editor
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Kalacska, Margaret
CRC Press, 2008
Multimedia
Fakultas Teknik Universitas Indonesia, 1991
UI - Skripsi (Membership)
Whitmore, T.C., author
Oxford University Press, 1986
Buku Teks
Borota, Jan
Elsevier, 1991
Buku Teks