الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90d0041cf9924258eeb64d78ac107f24Testhttps://doaj.org/article/179c635147bb4583a73648219daf967fTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d9000512e41886b4c4f65cfce851bcaTesthttps://www.mdpi.com/1420-3049/26/19/5769Test