الإتاحة: https://doi.org/10.1016/j.clgc.2021.03.021Testhttp://hdl.handle.net/11588/853071Testhttps://www.sciencedirect.com/science/article/pii/S1558767321000847?via=ihubTest
الإتاحة: https://doi.org/10.1016/j.clgc.2021.03.021Testhttp://hdl.handle.net/11591/462432Test
الإتاحة: https://doi.org/10.1136/jitc-2020-001154Testhttp://hdl.handle.net/11386/4756291Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f80f190f158ce0c502783b3691b43a2cTesthttp://hdl.handle.net/11591/463917Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0bbec51cbd465b3f335830ebbeec5befTesthttp://hdl.handle.net/11568/1114478Test