الوصول الحر: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5c008ed404ab065b7b8206dbbbcb97cdTesthttps://tel.archives-ouvertes.fr/tel-03172394Test
الإتاحة: https://theses.hal.science/tel-03172394Testhttps://theses.hal.science/tel-03172394/documentTesthttps://theses.hal.science/tel-03172394/file/2017LIL2S047.pdfTest
الإتاحة: http://www.theses.fr/2017LIL2S047/documentTest