Pages 1-16
M. A. Nazih; M. W. El-Sherif
Pages 17-33
Abiyere Ese; Umosen, Dominic Akpan; Umar, Mohammed Bello; Fatima Oyenike Oyelowo,; Ali, Magdalene Nkweshi; Zubairu, Mansur; Ifukibot Levi Usende
Pages 35-47
Gamal Allouch; Fahad A. Alshanbari
Pages 49-56
Jelle Stans
Pages 57-65
Ashraf Sobhy Mohamad Saber; Enas A. Abdelhafez