الوصول الحر: https://doaj.org/article/1d9f29365aa24fdc992335a40b180140Test
الوصول الحر: https://doaj.org/article/2ee5d39bdd5e4a0ea06bdef7f486b8f8Test
الوصول الحر: https://doaj.org/article/346123a8d48e481686557e6091fece91Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::8746baecb99f7563270a7d03ea77c2ebTesthttps://doi.org/10.1002/ibra.12078Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::92251243969964a5afdb739dccc43864Testhttps://doi.org/10.1186/s13018-021-02401-wTest