الوصول الحر: https://doaj.org/article/80cefec586e54f3ab3c00a0fb37564a6Test
الوصول الحر: https://doaj.org/article/b339aa00341747bea256d97d837a86a7Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::5cba4fd084a7f9be6daac6be3e2ea567Testhttps://doi.org/10.1016/s0140-6736Test(23)00806-1
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23d8d1deca45e1b72448f242bf0cce11Testhttps://www.jbsr.be/articles/2136Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8834a827886e92c8789a0ec1ccce72ecTesthttps://doaj.org/article/b339aa00341747bea256d97d837a86a7Test