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 18.1, Issue 35, January 1987, Pages 111-117
DOREYA SHARAF; M.H. EBEID; ROUKAIA OSSMAN; A.Z. HUSSEIN
Volume 17.2, Issue 34, September 1986, Pages 199-213
F.I. AWAD; IKBAL FARRAG; A.Z. HUSSEIN; M.H. EBEID