الوصول الحر: https://doaj.org/article/45c198dd953941af8a1f2ed0fbb8279eTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::0208f7488065c9d5efd8e84f2b175d79Testhttps://doi.org/10.52501/cc.055Test