الوصول الحر: https://escholarship.org/uc/item/9xn4w6v7Test
الإتاحة: https://doi.org/10.1136/ijgc-2021-igcs.196Test
الإتاحة: https://doi.org/10.1136/ijgc-2021-igcs.22Test
الإتاحة: https://doi.org/10.1136/ijgc-2021-igcs.130Test
الإتاحة: https://doi.org/10.1136/ijgc-2021-igcs.131Test
الإتاحة: https://doi.org/10.1093/eurpub/cky048.230Testhttp://academic.oup.com/eurpub/article-pdf/28/suppl_1/cky048.230/24640446/cky048.230.pdfTest
الوصول الحر: https://doaj.org/article/96149e5883c04dbbb6db752e52024a8cTest
الإتاحة: https://doi.org/10.1016/j.ijrobp.2016.06.1419Testhttps://api.elsevier.com/content/article/PII:S036030161631745X?httpAccept=text/xmlTesthttps://api.elsevier.com/content/article/PII:S036030161631745X?httpAccept=text/plainTest
الإتاحة: http://hdl.handle.net/2318/81237Test
الإتاحة: http://hdl.handle.net/2318/80625Test