الوصول الحر: https://doaj.org/article/ae737b53e2ab4d899bf43ee577ab684bTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::929dd2cc532a0879cba0fe2fca6520b0Testhttps://doi.org/10.1002/1878-0261.13340Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::208329b41772a13198b6b8704e367381Testhttps://doi.org/10.1002/1878-0261.13340/v2/response1Test
الإتاحة: https://doi.org/10.1002/1878-0261.13340/v2/response1Test