Volume 20.2, Issue 40, September 1988, Pages 43-48
IKBAL FARRAG; A.Z. HUSSEIN; ROUKA YA OSSMAN; M.H. EBEID
Volume 18.2, Issue 36, May 1987, Pages 72-81
IKBAL FARRAG; F.L. AWAD; A.Z. HUSSEIN; M.H. EBEID; ROUKAYA OSSMAN
Volume 17.2, Issue 34, September 1986, Pages 199-213
F.I. AWAD; IKBAL FARRAG; A.Z. HUSSEIN; M.H. EBEID
Volume 12.2, Issue 24, September 1984, Pages 95-102
IKBAL FARRAG; A.Z. HUSSEIN