Davidson, Basil
Time-Life International, 1967
Buku Teks
Mazrui, Ali A.
The Free Press, 1976
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Mazrui, Ali Al Amin
Little, Brown & Co., 1986
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Ali Akbar
University of Indonesia, Faculty of Humanities, 2019
Artikel Jurnal
Easton, Stewart C.
Holt, Rinehart and Winston, 1966
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