Emerald, 2016
eBooks
Christy Natalina Eleonora, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Tesis (Open)
prepared by Business International Corporation
Business International Corporation,, 1991
Buku Teks
Johnson, Gerry, author
Prentice-Hall, 1988
Buku Teks
Johnson, Gerry, author
Prentice-Hall, 2002
Buku Teks