edited by Marcia G. Ory, Alfred P. Duncker
Sage, 1992
Buku Teks
Newell, Kenneth W.
World Health Organization, 1975
Buku Teks SO
Reese, Charles D.
CRC Press, 2009
Buku Referensi
Suhendra
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
UI - Tesis Membership
Yassi, Annalee
Oxford University Press, 2001
Buku Teks SO