الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10a9db084a80874ad8813fea4231be6aTesthttps://doi.org/10.1016/j.jcjd.2019.07.002Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b9ee1fc0bd87f746ee80cfad15652afTesthttps://pubmed.ncbi.nlm.nih.gov/31402326Test
الوصول الحر: https://doaj.org/article/cba738c8d4c9477a811b07b3289d58a3Test
الوصول الحر: https://doaj.org/article/c745799faac844b393e819c4031222cbTest