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ISSN 1810-5386. متوفر في: &lt;<a href="http://journals.uofg.edu.sd/index.php/gjhs/article/view/433" target="_new">http://journals.uofg.edu.sd/index.php/gjhs/article/view/433</a>&gt;. تأريخ الوصول: 30 june 2026.