Volume 4, Issue 2, 2018, Pages 45-51
Hamdy Attalla; Mostafa Zaghloul; Abd El Kawee Waly; Matthias Fladung; Fadia El-Sherif
Volume 3, Issue 3, 2008, Pages 33-36
Hamdy Attalla; Islam Abo El Soud; Manal H. Eid