URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::29f195fdc0df48bfbfa6c88975bcfdc4https://doi.org/10.12816/0055305
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::875ed7e3f298c1ec59ba4b492ce12502https://doi.org/10.12816/0050885
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::e900e89e0257a7848c2e4a23e07bf0fahttps://doi.org/10.12816/0038375