Volume 32.2, Issue 64, January 1995, Pages 132-142
A.A. HASSAN; H.M. HAMMAM; H.SH.A. EL-GENDAWY; O.A. MOSTAFA
Volume 31.2, Issue 62, July 1994, Pages 101-107
FATMA, G. SAYED; A.A. HASSAN
Volume 20.2, Issue 40, September 1988, Pages 116-121
A.H. HAFEZ; A.R. ALABOUDI; R.A. ALSANJARY; A.A. HASSAN
Volume 14.2, Issue 28, May 1985, Pages 167-171
A.E. BOLBOL; Y. BADRAN; A.A. HASSAN