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Buku Teks
Hilger, M. Inez
The University of Oklahoma Press, 1971
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Watanabe, Hitoshi
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Buku Teks
Salma Amellia Nuraini, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2022
UI - Tugas Akhir
Watson, Mark K., author
Routledge, 2014
Buku Teks