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 Developed Upgraded Method for Solving Problems of Factor Groups.
<strong>Gezira Journal of Engineering and Applied Sciences</strong>, [S.l.], v. 9, n. 1, july 2018.
ISSN 1858-5698. Available at: &lt;<a href="http://journals.uofg.edu.sd/index.php/gjeas/article/view/473" target="_new">http://journals.uofg.edu.sd/index.php/gjeas/article/view/473</a>&gt;. Date accessed: 30 june 2026.