A.M.A. Ahmed, M.F. Allam, E.S. Habil, A.M. Metwally, N.A. Ibrahiem, M. Radwan, M.M. El-Gaafary and M.A. Gadallah

F.A. Mersal, O.M. Esmat  and G.M. Khalil 

W. Shanko, M. Wolday, N. Assefa  and A.R. Aro 

I.A. Kabbash, I. Abdul-Rahman and Y.A. Shehata 

W.D. Bayyari, L.J. Henry and C. Jones

H. Al-Zahrani, A. Al-Qarni and M. Abdel-Fattah 

I.S. Hegazy,1 H.A. El Raghy, S.B. Abdel-Aziz and E.M. Elhabashi

S. Hassoune, S. Badri, S. Nani, L. Belhadi et A. Maaroufi

M. Heidari  and F. Najafi 

D.A.K. Chalabi 

S.A. Mansour, O. Eldaly, A. Jiman-Fatani, M.L. Mohamed and E.M. Ibrahim 

T.A. Elhoseeny  and E.K. Mohammad

R.R. Taha, S.M. Alghalibi and M.G. Saeed Saleh 

A.M. Cheraghali