Eko Prasetya, author
Fakultas Eknonomi dan Bisnis Universitas Indonesia, 2009
UI - Tesis (Open)
Moser, Claus A., author
Heinemann Educational Books, 1973
Buku Teks
Moser, Claus A., author
Basic Books, 1972
Buku Teks
Moser, Claus A., author
Heinemann Educational Books, 1974
Buku Teks
Giles, David C., author
Routledge, 2002
Buku Teks