الوصول الحر: https://doaj.org/article/e6dd4cd2ca7e436790bc528372221502Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::63c7801f5d245f9ed883d8ac4e12851bTesthttps://doi.org/10.1080/00405000.2020.1786260Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::e67564a4e9b9612821b9f723f8adf798Testhttps://doi.org/10.1080/01694243.2019.1670477Test
الوصول الحر: https://doaj.org/article/1c11d9caf5604051b8d2ad495bab0326Test
الوصول الحر: https://doaj.org/article/33d0c8a3125c4c67a8fc07ba5ce22250Test
الوصول الحر: https://doaj.org/article/f20c6726c143456aadc88cb21d71239dTest
الوصول الحر: https://doaj.org/article/2baabe3c177e4fd59aa082a0bc5ccb9aTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::1ba83d2fc4a9cd56f644f3bca8a58f01Testhttps://doi.org/10.1002/app.50352Test
الوصول الحر: https://doaj.org/article/a0cea12e6d2a4cf980c9a56c53b3edc8Test
الوصول الحر: https://doaj.org/article/a87c607faa6f4cb68fd06ba16842494aTest