الوصول الحر: https://doaj.org/article/184a88e6c6c6491fac5aaf2c404ef094Test
الإتاحة: https://doi.org/10.3389/fdgth.2022.1052408Testhttps://doaj.org/article/46ac594b30e14ba79f8a9f5885aee0fcTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::3ec48491536f1b5a7806ec790c04b5c2Testhttps://doi.org/10.2196/preprints.44528Test
الإتاحة: https://doi.org/10.3389/fdgth.2022.1052408.s002Test
الإتاحة: https://doi.org/10.3389/fdgth.2022.1052408.s003Test
الوصول الحر: https://doaj.org/article/3c419404c2ea4dd69697967ab51e1c26Test