URL الوصول: https://doaj.org/article/55e2e8ce44904c8f894e15609c5ba84c
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::17a5c940498abe35557be1780d5e13eahttps://doi.org/10.2139/ssrn.4401707
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::4c9e8b35f16660a9bd316d39f5d29d1dhttps://doi.org/10.2139/ssrn.4249797