الإتاحة: https://doi.org/10.1016/j.aucc.2022.08.007Testhttps://api.elsevier.com/content/article/PII:S1036731422001163?httpAccept=text/xmlTesthttps://api.elsevier.com/content/article/PII:S1036731422001163?httpAccept=text/plainTest
الإتاحة: https://doi.org/10.1016/S0140-6736Test(17)32456-Xhttps://kclpure.kcl.ac.uk/portal/en/publications/fb44bb7b-45e0-4c02-a162-4a3fe2f073f2Test