El Derby، A. (2009). Two Example of Egyptian Alabaster Weathering Deterioration and Damage from Ancient Egyptian Buildings and Islamic Buildings in Egypt and some Recommendations of preservation. مجلة الإتحاد العام للآثاريين العرب، ع10 ، 24 - 121. مسترجع من http://search.mandumah.com/Record/847839
El Derby، Abdou. "Two Example of Egyptian Alabaster Weathering Deterioration and Damage From Ancient Egyptian Buildings and Islamic Buildings in Egypt and Some Recommendations of Preservation." مجلة الإتحاد العام للآثاريين العرب ع10 (2009): 24 - 121. مسترجع من http://search.mandumah.com/Record/847839