Museum voor Volkenkunde
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Buku Referensi
Seiroka, Noma
Kodansha International, 1970
Buku Referensi
edited by Katie Scott and Deborah Cherry
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Buku Teks SO
edited by Noel Riley
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Buku Referensi
Munsterberg, Hugo, 1916-1995
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Buku Teks