Pages 583-608
Hassan Elkhatib; S.M. Gabr; A.A. Elazomy
Pages 657-664
Noura Mohammed Taha; Alaa El-Den Hussein Roshdy
Pages 665-675
Yasser Ismail El-Nashar
Pages 677-693
Mona M. Yousry; Sameh A. M. Moussa; G. Abdel-Nasser
Pages 721-730
Mohamed Essa Abou kamer; Mostafa A. Shama