الوصول الحر: https://doaj.org/article/814d80a48fd742f7876bbc4687dc14a9Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::4edb9bdc4fa74f301b17d9ec3682c5aaTesthttps://doi.org/10.2139/ssrn.4446759Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::a85e32fb871ea38a8f01d3b066ef8edeTesthttps://doi.org/10.1111/pbr.12910Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90c6d19ce0a37600c1e7b12e366a7690Testhttps://doi.org/10.1007/s00122-020-03548-6Test