الإتاحة: https://doi.org/10.3390/v14102160Testhttps://doaj.org/article/9a9e860714f542d8a0e5c065e97dea2eTest
الإتاحة: https://doi.org/10.3390/v11040349Testhttps://doaj.org/article/4757e9f6354445c8bf881167a4f45840Test
الوصول الحر: https://doaj.org/article/b1fb397d33144703b750eb5acab15a70Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db35a0d4effbe38095a1356125a76f60Testhttp://www.mdpi.com/2297-8739/5/1/6Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff6eabc89dbaac1c0345acdfd10a4e33Testhttps://doi.org/10.3390/v11040349Test