Gaspersz, Vincent, author
Gramedia Pustaka Utama, 1997
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Lembaga Penerbit Fakultas Ekonomi Universitas Indonesia, 2013
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ASMI, {s.a.}
Majalah, Jurnal, Buletin
Sofjan Assauri, author
Rajawali, 1988
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Sofjan Assauri, author
Rajawali, 1988
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