الوصول الحر: https://escholarship.org/uc/item/9n23m924Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9381f4594bcff7185e062a573522e57Testhttps://doi.org/10.1002/jclp.22638Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35169154198ad70beda2150658f04fcbTesthttps://doi.org/10.1002/jclp.22463Test