El-Nahhas, F. (1975) Contact pressure under rectangular plates loaded at the edges. M. Sc. Thesis, Department of Structural Engineering, Ain Shams University, Cairo, Egypt.
El-Nahhas, F. (1977) Field measurements in two tunnels in Edmonton, Canada. M. Sc. Thesis, Geotechnical Engineering, University of Alberta, Canada, 85 p.
El-Nahhas, F. (1981) Behaviour of tunnels in stiff soils. Ph. D. Thesis, Geotechnical Engineering, University of Alberta, Canada, 305 p.
Eisenstein, Z.; El-Nahhas, F.; and Shalaby, A. (1987) Cairo Metro Research Project-Final Research Report. Submitted to International Development Research Centre, Ottawa and National Authority for Tunnels, Cairo.
El-Nahhas, F.; Sherif, M.; Abdullah, W.; Hadi, K. and Ghoneim, H. (2000) Long-term operation, monitoring and assessment of the drainage system at Shamiyah and Kaifan (Final Main Research Report). Report submitted to the Kuwaiti Ministry of Electricity and Water, Kuwait Institute for Scientific Research, 202 p.