الوصول الحر: https://doaj.org/article/3cc49ae3495f4866baf019572c630fceTest
الإتاحة: https://orbi.uliege.be/handle/2268/239783Testhttps://orbi.uliege.be/bitstream/2268/239783/1/2017-Chapitre%20FBR%20Sambieni%20et%20al_Preprint.pdfTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d234bcb9d91d8289edbb8099ca653249Testhttp://europepmc.org/articles/PMC8544961Test
الإتاحة: https://orbi.uliege.be/handle/2268/239783Test
الإتاحة: http://hdl.handle.net/10625/54427Test