Abdel-Rahim, A., 		Bashiar, H., & 		Sulieman, A.
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 Awad M. Abdel-Rahim.
<em>Gezira Journal Of Engineering And Applied Sciences, 7</em>(1).
Retrieved from <a href="http://journals.uofg.edu.sd/index.php/gjeas/article/view/534" target="_new">http://journals.uofg.edu.sd/index.php/gjeas/article/view/534</a>