URL الوصول: https://doaj.org/article/e424efe535cf4893bca2b24d534e1ef2
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::d82ff2797c782c161dfdddc27f7607afhttps://doi.org/10.5603/njo.2019.0034
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::4be598f0c1e8c863937848a1f3e427fbhttps://doi.org/10.18332/tpc/128441
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f729b83edbeaa1c442d6281308a9e22chttps://doi.org/10.18332/tpc/105291
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d786a21aa3d8ebbfd911d5ad9a535fehttps://doi.org/10.18332/tpc/105287