Jeffrey P. Mass
Philippine, Yale University1974
Buku Teks
Cooper, Michael
Weatherhill, 1974
Buku Teks SO
Hasuda Takashi
Southeast Asian Studies, Kyoto University, 2019
Artikel Jurnal
Murdoch, James
Routledge , 1903
Buku Referensi
Bowring, Richard
Oxford University Press, 2017
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