URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5db0c3d99bece7122aea4fafe2e7fa9https://journal.fi/finjehew/article/view/65092
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16343926821f1cdaf9f2bd666f22eb47http://juuli.fi/Record/0333613618