Pages 9-22
F. F. Zada; Fayez Fahmy Gomaa Areed; E. H. El-Konyally
Pages 37-48
F. F. Zada; F. F.G. Areed; E. H. El-Konyally
Pages 49-60
Mofreh Mohamed Salem Mohamed; Faiez Fahmy Gomaa Areed; Kamel M. Soliman