| البحث | تاريخ اخر تحديث |
| Youssef, Y. G. (2013), "Effect of Initial Suction on Stability of Unsaturated Soil Slopes" , Civil Engineering Research Magazine, Al-AzharUniversity, Vol. , Cairo, Egypt | 19/10/2013 |
| Youssef, Y. G. (2010),"Numerical Modeling of Expansive Soils Using Uncoupled Approach ", PhD. Thesis, Cairo University, Egypt | 30/12/2012 |
| Youssef, Y. G. (2010), "Numerical Modeling of The Effect Of Sand Cushion On Expansive Soils Heave", Civil Engineering Research Magazine, Al-Azhar University, vol. 41, Cairo, Egypt | 30/12/2012 |
| Youssef, Y. G. (2007), "Correlations between Relative Density and Compaction Test Parameters", Twelfth International Colloquium on Structural and Geotechnical Engineering, Faculty of Eng., Ain Shams University, Cairo, Egypt | 30/12/2012 |
| Youssef, Y. G. (2005), "Analysis of Stabilizing Slopes Using Vertical Piles", Engineering Research Journal Vol. 98, PP. 103-115, April 2005, Helwan University, Faculty of Eng., Materia, Cairo, Egypt. | 30/12/2012 |
| Youssef, Y. G. (2003), "Stabilizing Berm for Earth Retaining Structures", MSC. Thesis, Cairo University, Egypt. | 30/12/2012 |