Pages 21-26
A. K.A. Mohamed; M.M. Shaaban; R.A. Ibrahim; S.A. Thabet; K.A. Amein
Pages 38-52
A. M. El-Salhy; A.A. Badawy; R.A. Ibrahim; M.G. Mohamed
Pages 53-61
R. K. Labeb; H. E. M. Zaki; Y.Y. Abdel ati; M.H. Zaky
Pages 73-84
A.M. El-Sese; A.K.A. Mohamed; Eman A.A. Abou-Zaid; A.M.M. Abd-El-Ghany