Important links

<h2 class="text-align-center" data-placeholder="الترجمة" dir="ltr" id="tw-target-text">The most important sites and links that benefit students and researchers</h2>

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<h2><strong><u><span><span><span><span><span><span lang="FR"><span><span><span>SDL</span></span></span></span></span></span><span><span><span dir="RTL" lang="AR-SA"><span><span><span>) </span></span></span></span></span></span><span><span><span lang="FR"><span><span><span>&nbsp;&nbsp;Saudi Digital Library)</span></span></span></span></span></span></span></span></span></u></strong></h2>

<h2><span><span><span><a href="https://sdl.edu.sa/SDLPortal/ar/Publishers.aspx">https://sdl.edu.sa/SDL…;

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<h2 data-placeholder="الترجمة" dir="ltr" id="tw-target-text"><strong><u>Foreign scientific search engines</u></strong></h2>

<h2><span><span><span><a href="https://sdl.edu.sa/SDLPortal/ar/A-ZDataBases.aspx">https://sdl.edu.sa/S…;

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<h2 data-placeholder="الترجمة" dir="ltr" id="tw-target-text"><strong><u>One of the most useful sites for any scientific researcher is</u></strong></h2>

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<h2><span><span><span><span><span><strong><a href="https://scholar.google.com.eg/"><span lang="EN-GB"><span><span><em><u>Google schola</u></em>r</span></span></span></a></strong><span><span><span dir="RTL" lang="AR-SA"><span><span>: </span></span></span></span></span>&nbsp;<a href="https://scholar.google.com.eg/"><span dir="LTR" lang="EN-GB">https://scholar.google.com.eg/</span></a></span></span></span></span></…;
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<h2><span><span><span><span><span><em><u><strong><a href="https://goo.gl/nrmki6"><span><span><span>Science Direct</span></span></span></a></strong></u></em><span><span><span dir="RTL" lang="AR-SA"><span><span>:</span></span></span></span></span> <a href="https://www-sciencedirect-com.sdl.idm.oclc.org/"><span>https://www-scie…;
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</ol>

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<h2><span><span><span><span><span><span lang="EN-GB"><span><span><span><strong><u><em><a href="https://www-webofscience-com.sdl.idm.oclc.org/wos/woscc/basic-search">W… of Science</a>:</em></u></strong> </span></span></span></span></span></span><a href="https://www-webofscience-com.sdl.idm.oclc.org/wos/woscc/basic-search"><… lang="EN-GB"><span><span>https://www-webofscience-com.sdl.idm.oclc.org/wos/woscc/basic-search</s…;
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</ol>

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<li>
<h2><span><span><span><strong><u><em><a href="https://sdl.edu.sa/SDLPortal/ar/ViewPublisher.aspx?p=37"><span lang="EN-GB"><span><span><span>Springer Journals</span></span></span></span></a></em></u></strong><span><span><span lang="EN-GB"><span><span><span>&nbsp;: </span></span></span></span></span></span><a href="https://link-springer-com.sdl.idm.oclc.org/journals/a/1"><span lang="EN-GB"><span><span>https://link-springer-com.sdl.idm.oclc.org/journals/a/1</span></span></…;
</li>
</ol>

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<h2><span><span><span><span><span><span><strong><u><em><a href="https://sdl.edu.sa/SDLPortal/ar/ViewPublisher.aspx?p=300"><span lang="EN-GB"><span><span>Scopus</span></span></span></a></em></u></strong><span><span><span lang="EN-GB"><span><span>&nbsp;: </span></span></span></span></span><a href="https://www-scopus-com.sdl.idm.oclc.org/search/form.uri?display=basic#b… lang="EN-GB"><span>https://www-scopus-com.sdl.idm.oclc.org/search/form.uri?display=basic#b…;
</li>
</ol>

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<ol start="6">
<li>
<h2 data-placeholder="الترجمة" dir="ltr" id="tw-target-text"><a href="https://ebookcentral-proquest-com.sdl.idm.oclc.org/auth/lib/sdl-ebooks/… Central website for downloading free books in various disciplines</a></h2>
</li>
</ol>

<h2><span><span><span><a href="https://ebookcentral-proquest-com.sdl.idm.oclc.org/auth/lib/sdl-ebooks/…;

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