الوصول الحر: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::171c6d8c1035cfa048ce2fe84d5f7be7Testhttp://hdl.handle.net/10115/1007Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::aae4385cfda39a54eaea1f392ba2ef9cTesthttp://hdl.handle.net/10115/1009Test