Sitanggang, Tati Vain, author
Universitas Indonesia, 2008
UI - Tesis (Open)
Muhammad Ridhwan, author
Universitas Indonesia, 2016
UI - Skripsi (Membership)
Dwidja Priyatno, author
Refika Aditama, 2006
Buku Teks
Dwidja Priyatno, author
Refika Aditama, 2006
Buku Teks
Panjaitan, Petrus Irwan, 1958-, author
IHC, 2007
Buku Teks