الوصول الحر: https://gup.ub.gu.se/publication/284117Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd8704b4e3dc9e636a82be49e6872b38Testhttps://doi.org/10.1002/ejhf.1556Test