Con, Dang Tran, author
Foreign Languages Publishing House, [date of publication not identified]
Buku Teks
Fusayama, Takao
Universiti Kebangsaan Malaysia , 1997
Buku Teks
Pelangi Ratna Hidayat, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2013
UI - Makalah dan Kertas Kerja
edited by Chris Wallace-Crabbe and Peter Pierce
Melbourne University Press, 1984
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Grover, Sonja C., author
[Springer, ], 2012
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