Não informado. (2009). Proceedings of the Egyptian Academy of Sciences. Egyptian Academy of Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the Egyptian Academy of Sciences. Cairo: Egyptian Academy of Sciences, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the Egyptian Academy of Sciences. Egyptian Academy of Sciences, 2009.
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