Pages 1-11
Hassan Mohamed Fouad
Pages 13-24
Elshahat Gomaa; GamaL Elhadidy
Pages 1-20
Ragaa H. SHalaby; Manal F. Ali; Mohamed Eltarawy
Pages 21-28
Fathia Salem; Mahmoud M. Fawaz; Mostafa A. Elkeblawy; Samy Bassiouny
Pages 29-36
Ahmed EL-Feel; Nashwa El-Tatawy; Hussein EL-Seify; Mohamed Nasser
Pages 37-45
Fatheya Salem; Mahmoud M. Fawaz; Ehab M. Essa
Pages 47-57
Fathia Radwan Salem; mourad mousa; Amira Taha Ahmed
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