الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72ff3cb438c946fb28c367f3d25035a4Testhttps://doi.org/10.1080/01616412.2016.1214555Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::c88b8279504e2b8f18e1a19e25c0e59fTesthttps://doi.org/10.2147/odrr.s49198Test