N. Samir, R. Mohamed, E. Moustafa  and H. Abou Saif 

A.M. Hamdan-Mansour, R.E. Constantino, K.R. Shishani, R. Safadi  and R. Banimustafa 

H.S. Sweed,1 A.E. Elawam, A.M. Nabeel  and A.K. Mortagy 

N.A. Al-Rabeei, A.M. Dallak  and F.G. Al-Awadi 

K. Samimi-Rad, M. Hosseini, G. Mobeini, F. Asgari, S.M. Alavian, M.E. Tahaei  and M.H. Salari 

F. Joukar, A.K. Khalesi, R. Jafarshad, M.S. Rahimabadi  and F. Mansour-Ghanaei 

A. Kassim, S. Thabet, M. Al-Kabban  and K. Al-Nihari

F. Habibzadeh, M. Yadollahie, M. Roshanipoor  and M. Haghshenas 

A.-H. El-Gilany, B. Sarraf  and A. Al-Wehady 

G. Yamamah, A. Mabrouk, E. Ghorab, M. Ahmady  and H. Abdulsalam 

S.M. Abbas, A.Y. Alam  and M.R. Malik 

S.H. Abdelrahman, A.M. Malik, A.A. Mohamedani, M.E. Mohamed, S.M. Alfadil, T.D.A. Elhasan  and H.S. Ahmed 

A.A. Al-Sulami, A.M.R. Al-Taee and Q.H. Wida’a 

M. Simbar 

R. Jooma, A. Khan  and A.A. Khan

A.D. Salim, M.A. Arbab, L.A. El Hassan  and A.M. El Hassan 

A. Zaoui, A. Abdelghani, H. Ben Salem, W. Ouanes, A. Hayouni, F. Khachnaoui, N. Rejeb and M. Benzarti