الإتاحة: https://doi.org/10.36950/sjsca.2023.29.8899Testhttps://journal-sa.ch/article/view/8899Test
الوصول الحر: https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-207744Testhttps://umu.diva-portal.org/smash/get/diva2:1754012/FULLTEXT01.pdfTesthttps://umu.diva-portal.org/smash/get/diva2:1754012/SPIKBLAD01.pdfTest
الوصول الحر: https://doaj.org/article/8d0fea16a5e547168dc2fc1493dbee3fTest
الإتاحة: https://doi.org/10.26153/tsw/48090Testhttps://hdl.handle.net/2152/121262Test
الإتاحة: https://doi.org/10.26153/tsw/48089Testhttps://hdl.handle.net/2152/121261Test
الإتاحة: https://doi.org/10.26153/tsw/48085Testhttps://hdl.handle.net/2152/121257Test
الإتاحة: https://doi.org/10.26153/tsw/48082Testhttps://hdl.handle.net/2152/121254Test
الوصول الحر: https://escholarship.org/uc/item/8w68m3k0Test
الإتاحة: https://doi.org/10.26153/tsw/48070Testhttps://hdl.handle.net/2152/121242Test