World Haelth Organization
World Health Organization, 1992
Buku Teks
Menur Karen K., author
Academy Group LTD, 1996
Buku Teks
Elliott, Robert J., author
Springer-Verlag, 1994
Buku Teks
Universitas Indonesia, 1990
UI - Skripsi (Membership)
Gollery, Martin, author
CRC Press, Taylor & Francis Group, 2008
Buku Teks