Andrew Feenberg, Norm Friesen, editor
[, Sense], 2012
eBooks
edited by Ilka Ruby, Andreas Ruby
Ruby Press, 2010
Buku Teks
Maman Suherman, author
Pop, 2016
Buku Teks
Budianastas Prastyatama, author
Faculty of Engineering, Universitas Indonesia, 2017
Artikel Jurnal
Tanghe, Jan, author
Pegamon Press, 1984
Buku Referensi