· Dr.Eng. AHMED MOUSSA Professor of RC Structures Faculty of Eng, Helwan University 12/25...
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· Dr.Eng. AHMED MOUSSA Professor of RC Structures Faculty of Eng, Helwan University 12/25 "Shotcrete in Tunnelling" 'tSaftey of Tunnels" Of : Tunnels" D2- Consult GCI, SWOFTWARE