الوصول الحر: https://escholarship.org/uc/item/5874s94dTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::638170873b8855f2c3815ec1bfee6af1Testhttps://doi.org/10.1080/15548627.2015.1040976Test