URL الوصول: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::dc390c9b12bae0c8e3e5c9a5cdb28f5ehttps://hdl.handle.net/10251/158430
URL الوصول: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e6f5b94a9600e975733f938572947560http://hdl.handle.net/10251/89605