Pages 25-36
M.A. Amer; Afaf M.A. Yousif; Adel M.Gowda
Pages 38-50
S. El-Shall; W.M. Abd El-Messeih; Nagwa.A. Abd El Megeed; Okalebo J.
Pages 51-62
Eman S.A; W.M. Abd EL-Messeih; G.B. Mikhael
Pages 63-78
Naguib, S.G.; W.M. Abd El-Messeih; E.S. Attala; S.A. Asaad