Siti Fathia Rizki Sarkuti, author
2015
UI - Skripsi (Membership)
Harahap, M. Yahya, author
Sinar Grafika, 2008
Buku Teks
Harahap, M. Yahya, author
Sinar Grafika, 2008
Buku Teks
Muhammad Erfa Redhani, author
2017
UI - Tesis (Membership)
Nasution, Sjahril, author
Universitas Indonesia, 2011
UI - Skripsi (Open)