Ahmad M. Yousef, Hesham M. Osman, Maged Georgy, and N. A. B. Yehia, "“Risk Assessment for Ad Hoc Construction Contracts” ", 13th Arab Structural Engineering Conference, , University of Blida, Algeria, 2015.
Mariam Ehab, H. Hadhood, H. Mostafa, and N. A. B. Yehia, "“Earthquake Pounding Effect on Adjacent Reinforced Concrete Buildings”", , International Journal of Computer Applications; IJCT, , vol. 106 , issue 9, pp. 27-34, 2014.
Fathy, A. A. R., Hesham M. Osman, N. A. B. Yehia, T. H. Hamed, and S. M. El-Haggan, "“Consideration of contractual procedures and project-related risk for evaluating Severity Index; “A Knowledge System –based Acquisition, Reasoning approaches” ", International Journal of Engineering Science and Innovative Technology (IJESIT), vol. Volume 3,, issue 5, pp. 1-23, 2014.
Hamed, T. H., S. M. Elhaggan, and N. A. B. Yehia, ""Decennial Liability for Collapse of Buildings and Permanent Structures under the Egyptian Civil Law"", Construction Law Journal. , vol. Vol. 29 , issue No 1, , pp. pp. 3-16., 2013.
Hamed, T. H., S. M. Elhaggan, and N. A. B. Yehia, "85. "Employer's Failure to Make Payment to Contractor- A Study of Construction Contracts under the Egyptian Civil Law"", International Construction Law Review,, vol. Vol. 29 , issue No 4,, pp. 406-419., 2012.
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