EDITORIAL PREFACE
Author
Prof. Dr. Abdel Karim Sabir Ali
Author
Nihad M A. Elhaj, Eshtiyag A. Abdalkareem, Ghada H. HagAli, Muataz M. Eldirdery, Fatima A. Khalid, Asrar M. A. Elegail, Nuha Y. Ibrahim, Eman O M. Nour, Rahma H. Ali, Elena Hailu, Markos Abebe, Abraham Aseffa, and Atif A. Elagib