Volume 21.1, Issue 41, January 1989, Pages 29-34
A. EL-S. DOUGBAG; A.M. KASSEM
Volume 14.1, Issue 27, January 1985, Pages 1-7
A. HIFNY; A.M. KASSEM; A. EL-S. DOUGBAG; A.K. OSMAN; R.M. EL-BAKARY
Volume 12.2, Issue 24, September 1984, Pages 1-6
A.H.K. OSMAN; A.M. KASSEM; R. BERG
Volume 12.2, Issue 24, September 1984, Pages 7-12
A. HIFNY; A.M. KASSEM; A.K. HEMMODA; R.M. EL-BAKARY
Volume 12.2, Issue 24, September 1984, Pages 13-19
A. HIFNY; A.M. KASSEM; A.M. HEMMODA; R.M. EL-BAKARY
Volume 12.2, Issue 24, September 1984, Pages 37-43
A. HIFNY; A.M. KASSEM; A.H.K. OSMAN; A.E. DOUGBAG; R.M. EL-BAKARY
Volume 12.1, Issue 23, May 1984, Pages 22-28
R. BERG; A.M. KASSEM; A.K. HEMMODA; M. AMIN
Volume 10.1, Issue 19, June 1982, Pages 23-27
A.M. KASSEM; A. HIFNY; N.A. MISK
Volume 10.1, Issue 19, June 1982, Pages 29-33
A.M. KASSEM
Volume 10.1, Issue 19, June 1982, Pages 35-40
M. R. FATH EL-BAB; N.A. MISK; A. HIFNY; A.M. KASSEM
Volume 9, Issue 17.18, January 1982, Pages 11-15
M.R. FATH EL-BAB; A HIFNY; A.K. AHMED; A.M. KASSEM; M. ABDEL MONE IM
Volume 9, Issue 17.18, January 1982, Pages 27-31
M.R. FATH EL-BAB; A.M. KASSEM; A. HIFNY; A.K. AHMED; M. ABDEL MONEIM
Volume 8, Issue 15.16, January 1981, Pages 39-44
M.R. FATH EL-BAB; A. HIFNY; A.K. AHMED; A.M. KASSEM; M. ABDEL MONEIM