Simanjuntak, Johannes Roberto Hasibuan
Universitas Indonesia, 2010
UI - Skripsi (Open)
H. Budi Santoso
[publisher not identified], 2009
Buku Teks
Jonly Joihin
1986
UI - Skripsi (Membership)
Surastini Fitriasih
1997
UI - Tesis (Membership)
Johnny Ibrahim
Bayumedia, 2006
Buku Teks