Byers, Steven N., author
Prentice-Hall, 2016
Buku Teks
edited by Hannes Kniffka ; in cooperation with Susan Blackwell and Malcolm Coulthard
Peter Lang, 1996
Buku Teks
Vanderkolk, John R., author
Elsevier, 2009
Buku Teks
Andini Novita Sari, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2021
UI - Tesis (Membership)
Neustein, Amy, editor
Springer, 2012
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