الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5df41e5c83da43011517e8da1818415Testhttps://doaj.org/article/7aa0ddc6b9dc4f28aa0dbb61d068aad7Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::378cf76163d0c64833250224a14a8c81Testhttps://doaj.org/article/03b54890cc4e45a78054714c7c3fa980Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d29657f31eae65ab6ad3668f8bb6e8beTesthttps://doi.org/10.1371/journal.pone.0216607Test