الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c44e011f313791000ecd91296d15f29Testhttps://escholarship.org/uc/item/4m95v0nsTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c837f74b531086923604e4fb1c1bab8Testhttps://cea.hal.science/cea-00904997Test