Universitas Indonesia, 2007
UI - Skripsi Membership
Klemm, Richard
Institution of Engineering and Technology, 2006
eBooks
edited by Richard Klemm
Institution of Engineering and Technology, 2009
eBooks
Nuria Widyasari
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2002
UI - Tesis Membership
Mills, Robert
W.H. Freeman, 1994
Buku Teks