Doaa M Gad ; Hala A Fathy ; Samah M Shehata http://www.ejcdt.eg.net/article.asp?issn=0422-7638;year=2020;volume=69;issue=4;spage=688;epage=697;aulast=Gad.
,
2020
Samah M Shehata ; Ahmad Abbas ; Hala A Fathy.. http://www.ejcdt.eg.net/article.asp?issn=0422-7638;year=2018;volume=67;issue=4;spage=341;epage=350;aulast=Shehata.
,
2018