Amalia Putri, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2012
UI - Skripsi (Open)
Djioe Let Beng, author
Program Pascasarjana Universitas Indonesia, 2004
UI - Tesis (Membership)
Sembiring, Barnabas, author
Program Pascasarjana Universitas Indonesia, 1999
UI - Tesis (Membership)
Sihombing, Antony, author
Lambert Academic Pub., 2010
Buku Teks
Karp, David A., author
Praeger, 2015
Buku Teks