الوصول الحر: https://doaj.org/article/fbd9007ca54e49ec8b38572afa5ca537Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f65c2b66528f8014f16cbec5be5ee9efTesthttps://doi.org/10.17957/tpmj/16.3437Test