Amsal Bakhtiar, author
RajaGrafindo Persada, 2005
Buku Teks
Snijders, Adelbert, author
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Buku Teks
Conny R. Semiawan, author
Ramaja Karya, 1988
Buku Teks
Lubis, Akhyar Yusuf, author
RajaGrafindo Persada, 2016
Buku Teks
Horst, Steven , author
CI Press, 2011
Buku Teks