Harris, Dean M., 1951-
Jossey-Bass, 2011.
Buku Teks SO
Lovett-Scott, Margie
Jones & Bartlett Learning, 2014
Buku Teks
Lovett-Scott, Margie
Jones & Bartlett Learning, 2014
Buku Teks
Grundy, Fred
HK Lewis, 1974
Buku Teks
Khwaja Mir Ahad Saeed
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2011
UI - Tesis Open