Volume 49, Issue 96, January 2003, Pages 203-213
Amal Ali Abdel-Haleem; A.A. El-Shanawany
Volume 45.2, Issue 90, July 2001, Pages 109-121
M.A. Abdel-Sater; Amal Ali Abdel-Haleem
Volume 45.1, Issue 89, April 2001, Pages 62-74
Amal Ali Abdel-Haleem; M.K. Moustafa; Ahmed A-H. Ahmed
Volume 42.2, Issue 84, January 2000, Pages 36-46
M.S. Sabreen; Amal Ali Abdel-Haleem