الوصول الحر: https://doaj.org/article/793e75a4ade442eb8e87286dac6041c2Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e32ef542618df4d31c5e70158575ee3Testhttps://doaj.org/article/22744fe77a7d4a0ebe0d9bb3f80f2b1fTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cf8667df7eba5b57eb8fa0ed47ad9ebTesthttps://doi.org/10.1080/19490976.2020.1840765Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::a250a6334f21f87773b39db57604550bTest