الوصول الحر: https://doaj.org/article/fb7a3d654b0145849fb1cf777563714aTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::edab3561b28354126ab6041760cdf9cfTesthttps://doi.org/10.1177/0954008312453062Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_________::3ae85ab68bf85592752bd9673c578875Testhttps://doi.org/10.2342/ymj.55.167Test