Volume 9, Issue 1, 2014, Pages 25-31
Seham Ibrahim; Hanan Gaber; Fawzia EI-Ghamdi; Midhat El-Kasheif
Volume 7, Issue 1, 2012, Pages 121-127
Hesham Abdel Mola
Volume 2, Issue 2, 2007, Pages 203-211
Ahmed El-Otify