Tobing, Bey
Gramedia Pustaka Utama, 2020
Buku Teks
Chaniago, Andrinof Achir
Universitas Paramadina dan Center for political studies FISIP UI, 2006
Buku Teks
T. Sareo
Faculty of Medicine Universitas Indonesia, 2014
Artikel Jurnal
Medical Journal of Indonesia, 14 (2) April June 2005: 128-130, 2005
Artikel Jurnal
Artikel Jurnal