الوصول الحر: https://doaj.org/article/19bc50ebc46544029cbcae873b0fddefTest
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الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::7db5408b7c5415bca8ab708876a9936fTesthttps://doi.org/10.1016/j.nmd.2017.10.009Test
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