URL الوصول: https://doaj.org/article/3a9a662d8cc044e38824df37ed3a1c10
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::03b1ff56fe8e7cf72a9a25368a063081https://doi.org/10.34118/djei.v12i2.1400
الإتاحة: http://search.mandumah.com/Record/1213216
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d69a03d3b0ce964db78022c67ab41be
الإتاحة: http://search.mandumah.com/Record/924499