Neneng Uliah, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Skripsi (Membership)
Rory Andharta, author
Universitas Indonesia, 2011
UI - Tesis (Open)
Dhar, R. N., author
Tata McGraw-Hill, 1984
Buku Teks
Bronzing, Joseph D.
Addison-Wesley, 1982
Buku Teks
Morgan Kaufmann Publishers, Inc., 1993
Buku Teks