Kohn, Robert, editor
World Health Organization Regional Office for Europe, 1983
Buku Teks
Ella Ayu Septia Mustika, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2017
UI - Skripsi Membership
Griffin, Don, author
Jones & Bartlett, 2009
Buku Teks
Damanik, Febrina Margaretha, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2015
UI - Skripsi Membership
Ross, Austin, author
John Wiley & Sons, 1984
Buku Teks