الوصول الحر: https://doaj.org/article/64a236d623304c56ab2767dca0562711Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7659f7dbd66d64b4d24cae58a60f39bcTesthttps://doi.org/10.33590/emj/10312513Test