GAFFAR ALI, Abdelrahim Mutwakel.
 Publishing in the Digital Era: Open Access Journals Model.
<strong>مجلة الجزيرة للعلوم الصحية</strong>, [S.l.], v. 13, n. 1, june 2017.
ISSN 1810-5386. متوفر في: &lt;<a href="http://37.60.236.48/index.php/gjhs/article/view/63" target="_new">http://37.60.236.48/index.php/gjhs/article/view/63</a>&gt;. تأريخ الوصول: 29 july 2026.