الوصول الحر: https://doaj.org/article/3ab052591dd84b0b8300565344da75c5Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9791df060256df334d6d7230a7232fc2Testhttps://doaj.org/article/3ab052591dd84b0b8300565344da75c5Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::cb9e4d1a6189c13e962af5000e689452Test