Pages 18-29
A K.A. Mohamed; H. A. Abdel-Galil; Naglaa Galal
Pages 30-44
E.H. Salem; H.A.M. Ali
Pages 45-59
R.M. Salvador; Dionesio M. Bañoc
Pages 476-483
W.S. SOLIMAN; Y. Zakria; S.S.A. Abdel-Rahman; S. Salaheldin