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Lua i Stíl Chicago (17ú heag.)Kheir-El-Din. What Drives Prices in Egypt?: An Analysis in Light International Experice. Cairo: The American University Press, 2009.
Lua MLA (9ú heag.)Kheir-El-Din. What Drives Prices in Egypt?: An Analysis in Light International Experice. The American University Press, 2009.
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