Volume 6, Issue 1, June 1997, Pages 60-70
Salah Ghareib; Hassan El-Fayoumi; Mohamed Zakaria
Volume 6, Issue 1, June 1997, Pages 91-98
Hassan El-Fayoumi
Volume 2, Issue 2, December 1993, Pages 19-28
Mohamed Zakaria; Salah Ghareib; Hassan El-Fayoumi
Volume 2, Issue 2, December 1993, Pages 29-43
Hassan El-Fayoumi; Mohamed Zakaria; Salah Ghareib