Tannsjo, Torbjorn, author
Edinburgh University Press, 2010
Buku Teks
Artikel Jurnal
Al Purwa Hadiwardoyo, author
Kanisius, 1990
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Paul J. Zak, editor; Michael C. Jensen, foreword
Princeton University Press, 2008
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Burhanuddin Salam, author
Rineka Cipta, 1997
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