Crossref
Crossref
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Google Scholar
Google Scholar
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OpenAccess
OpenAccess
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Zenodo
Zenodo
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OpenAlex
OpenAlex
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Issuu
Issuu
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İnternet Archive
İnternet Archive
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WorldCat - largest library catalog in the world
WorldCat - largest library catalog in the world
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Academia.edu
Academia.edu
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OA.mg ꞏ Open Access for Everyone
OA.mg ꞏ Open Access for Everyone
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Scilit
Scilit
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SEMANTIC SCHOLAR - A free, AI-powered research tool for scientific literature
SEMANTIC SCHOLAR - A free, AI-powered research tool for scientific literature
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OpenAire
OpenAire
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ORCID - Open Researcher and Contributor IDentifier
ORCID - Open Researcher and Contributor IDentifier
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