N.K. Ibrahim, B. Abalkhail, M. Rady and H. Al-Bar

A.A. El Kholy, H.E. Gomaa, M.G. El Anany and E. Abd El Rasheed

M.M. Emami, M. Yazdi and P. Guillet 

محمد وائل تيسير دعبول

M.A. Babiker, M.S.M. Ali  and E.S. Ahmed

N. Raza, S.N.R. Qadir  and H. Agha

S.B. Alrifai, A.Alsaadi, Y.A. Mahmood, A.A. Ali and L.A. Al-Kaisi

H.H. Al-Hamzi, L.M. Al-Zubairi, Y.A. Raja’a, A.Y. Al-Dabagh and N.M.F. Al-Bayatti

M. Al-Tehewy, E. Shehad, M. Al Gaafary, M. Al-Houssiny, D. Nabih and B. Salem

G.M.A. Mostafa

R. Benkirane, A. Pariente, S. Achour, L. Ouammi, A. Azzouzi and R. Soulaymani

A. Kebriaei and M.S. Moteghedi

H. Behdjat,S.B. Rifkin, E. Tarin and M.R. Sheikh

H.M. Minhas and A. Rahman

R.M. Merrill, H.N. Madanat,1 E. Cox and J.M. Merrill

Z. Mohtasham Amiri, A. Jafari Shakib and A. Khalili Moosavi

H. Aounallah-Skhiri, H. Ben Romdhane, B. Maire, H. Elkhdim, S. Eymard-Duvernay, F. Delpeuch and N. Achour

P. Taymoori, S. Niknami, T. Berry, F. Ghofranipour and A. Kazemnejad 

J.F.A. Mossawe, N.A.J. Ali, J.H. Ahmed and L.M. Al-Naama

A. Al Ansari and M.K. Ali

A.A. Tashkandi and P. Rasheed

N. Peyman, A. Hidarnia, F. Ghofranipour, A. Kazemnezhad, D. Oakley, Gh. Khodaee and F. Aminshokravi

H.I. Al-Daghistani and K.M. Fram

M.A. Yalda and A. Munib

K.I. Nijem and S. Al-Amleh

M. Shams, K. Homayouni  and G.R. Omrani

F. Montazerifar, M. Karajibani, F. Rakhshani  and M. Hashemi

N. Al-Rajhi, M. El-Sebaie, Y. Khafaga, A. AlZahrani, G. Mohamed and A. Al-Amro

M.A. Bakheit

H. Hasan-Ali, M.H. Maghraby, E. Mosad and A.A. Abd-Elsayed 

B. Zamanzad

N. Benmansour, H. Hachimi, A. Oudidi et M.N. El Alami