Wilcher, Donald, author
Springer, 2012
eBooks
Melgar, Enrique Ramos, author
Springer, 2012
eBooks
Nainggolan, Andreas, author
Universitas Indonesia, 2010
UI - Skripsi (Open)
Universitas Indonesia, 1993
UI - Skripsi (Membership)
Muhamad Adwiyadinul Haq, author
Universitas Indonesia, 2014
UI - Skripsi (Membership)