Indriani Nastika Ariati Manu, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Tesis (Membership)
Yael Ohana
VS Verlag, 2012
eBooks
Wener, David
California : The hesperian foundation , 19888
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Rucker, Frank W.
The Iowa State College Press, 1958
Buku Teks
Natelson, Morris, author
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Buku Teks