Vendryes, J. (Joseph), 1875-1960, author
Routledge, 1996
Buku Teks
Arcilla S.J, Jose S.
ADMU Press, 1998
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Khaldun, Ibn, author
Princeton University Press, 2015
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Stanford, Michael
Blackwell Publishers, 1998
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Robinson, O.F., author
Frofessional Books Limited, 1985
Buku Teks