Artikel Jurnal
Farid Juliano
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2020
UI - Makalah dan Kertas Kerja
Research Institute for Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies, 2007
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Fusayama, Takao
Universiti Kebangsaan Malaysia , 1997
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selected and edited by J.T. Laird
Australian War Memorial and Australian Government Publishing Service, 1971
Buku Teks SO