Rohan Gunaratna, Stefanie Kam.
Imperial College Press, 2016
Buku Teks
Asia-Pacific Center, 1992
Buku Teks
Capie, David
ISEAS, 2007
Buku Referensi
Lasserre, Phillippe
Macmillan Press, 1995
Buku Teks
United Nations Educational, Scientific and Cultural Organization (UNESCO)
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Buku Teks