O.G. Oyero and B.O. Emikpe
U.E. Dibua , O.J. Awagu and C.O. Esimone
Syamsudin , Soesanto Tjokrosanto , Subagus Wahyuono , Darmono and Mustofa
Awatif A. Elegami , Sara M. Osman , Mohammed E. Omer and Khagali M. Ishag
T.A.M. Awoniyi
A. Tanomand , F. Jamali and S.H. Montazam
A. El-Kholy , I. Halawa , M. Abdel Fattah , M. Gaber , F.G. Youssef , T.M. Parker and E.M. Kilbane
C.O. Esimone , C.O. Okoli and C.O. Ayogu
O.J. Adebami , J.A. Owa and G.A. Oyedeji
M. Haroun , I. Hajer , M.M. Mukhtar , S.A.M. Kheir and B.E. Ali