Saikal, Amin
Westview Press, 1991
Buku Teks
Dixit, J.N. (Jyotindra Nath)
Konark Publishers, 2000
Buku Teks
Kandil, Hazem, author
Oxford University Press, 2016
eBooks
Gregorian, Vartan
Stanford University press, 1969
Buku Teks
Rifa Arifah, author
2018
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