Master thesis of Researcher/ Marwa Shaban abd el Rasol was discussed on Thursday, 5/5/2016. The discussion committee included:  prof. Dr. Howayda sadiq abd- Hameed, Prof. Dr. Nadia Muhammad Fahmy, Prof. Dr. Ibtesam Muhammad Abd el Aal, Prof.Dr. Iman Abd Allah Shokry and Prof. Dr. Mahboba Sobhy abd el Aziz.