الوصول الحر: https://doaj.org/article/47f43d33d5bc4ae0beec422f8d3b8f71Test
الوصول الحر: https://doaj.org/article/422a07ff0bc642a78975b691e4d697b9Test
الإتاحة: https://doi.org/10.60692/3jjvg-75j4610.60692/308be-qsh58Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c86f896862f799a7c47e9b6a387d578Testhttps://doi.org/10.1292/jvms.19-0552Test