الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bdebdad61d153a0c242dc8c6ba6dd0adTesthttps://ieeexplore.ieee.org/document/8928508Test/
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8fbff67fe6ffce7e94bfadbba5a26364Testhttps://ieeexplore.ieee.org/document/7728072Test/