Volume 40, Issue 1, March 2015, Pages 58-73
Hamdy A. El-Ghandour; Samer M. Elabd
Volume 29, Issue 1, March 2004, Pages 111-118
A. H. Elagamy; M. Mahdy
Volume 22, Issue 1, March 1997, Pages 14-29
H. El-Dosouki
Volume 17, Issue 3, September 1992, Pages 17-38
Mohamed Adel Rateb El-Sayes; M. G. Osman; Sahar Sidky Kaddah