Ismail، B.، و Abou Heleika، M. M. (2001). Assessment and Monitoring the Groundwater Risk Using Electrical and Shallow Refraction Seismic Measurements and Conservation Aspects of Hawara Pyramid. مجلة كلية الآداب بقنا، ع11 ، 78 - 110. مسترجع من http://search.mandumah.com/Record/938306
Ismail، B.، و M. M. Abou Heleika. "Assessment and Monitoring the Groundwater Risk Using Electrical and Shallow Refraction Seismic Measurements and Conservation Aspects of Hawara Pyramid." مجلة كلية الآداب بقنا ع11 (2001): 78 - 110. مسترجع من http://search.mandumah.com/Record/938306