Theresearcher /Khalaf Ahmed Amar Hasandiscussed his Doctoral Dissertationon Thursday , 17-5-2016. The discussion committee included;  Prof. Dr, Farida Muhammad el Nagdi, Prof. Dr. Inas Anwar Abou el Nasr, Prof. Dr. Hanaa Abd el Ghani Hamouda  and Prof. Dr. Amal Muhammad el Anwar at the faculty's conference hall.