Sialagan, Togar Robin, author
Universitas Indonesia, 2008
UI - Tesis (Open)
Nia Tri Wijayanti, author
2008
UI - Skripsi (Open)
Emi Marfuqoh, author
Universitas Indonesia, 2010
UI - Skripsi (Open)
Universitas Indonesia, 2010
UI - Skripsi (Open)
Lubis, Elyana Amalia, author
Universitas Indonesia, 2010
UI - Skripsi (Open)