Volume 27.2, Issue 54, July 1992, Pages 7-19
I.A. IBRAHIM; M.J. YOUSIF
Volume 27.2, Issue 54, July 1992, Pages 20-41
M. TAHA; I.A. IBRAHIM; A.T.G. AHMED; A.A. MANSOUR
Volume 27.2, Issue 54, July 1992, Pages 242-247
M.A. SELEIM; SAMIA M. SELEI M; I.A. IBRAHIM
Volume 27.1, Issue 53, April 1992, Pages 12-32
I.A. IBRAHIM; K.E.H. ABDALLA; A.A. MANSOUR; M. TAHA
Volume 26.2, Issue 52, January 1992, Pages 23-37
I.A. IBRAHIM
Volume 26.2, Issue 52, January 1992, Pages 142-153
K.E.H. ABDALLA; M. ABD EL-NASSER; I.A. IBRAHIM; A. SH. SEDDEK
Volume 25.2, Issue 50, July 1991, Pages 17-26
I.A. IBRAHIM
Volume 19.2, Issue 38, January 1988, Pages 7-13
A. HIFNY; I.A. IBRAHIM; A.A. MANSOUR; M. TAHA
Volume 19.2, Issue 38, January 1988, Pages 14-18
A. HIFNY; A.A. MANSOUR; I.A. IBRAHIM; M. TAHA