Hutagaol, Stephan Anggita, author
Universitas Indonesia, 2003
UI - Skripsi (Membership)
Universitas Indonesia, 2003
UI - Skripsi (Membership)
Mega Dwi Sartika, author
Universitas Indonesia, 2013
UI - Tesis (Membership)
Universitas Indonesia, 2004
UI - Skripsi (Membership)
Eka Jaya, 2003
Buku Teks