الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f60f0cb57f6540cee90dfacca4dc15fTesthttps://igi.indrastra.com/items/show/83249Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a3491afc987e94178c55c52a05e1c2fTesthttp://hdl.handle.net/11717/13896Test