U. S. Congress Office of Technology Assessment, 1986
Buku Teks
Jahn, Egbert
Springer-Verlag , 2015
eBooks
Springer International Publishing, 2015
eBooks
edited by Hojjat Adeli
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Moore, Arthur Cotton
McGraw-Hill, 1998
Buku Teks SO