الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53b96ad51b1ef8f12599eedaa9bc918aTesthttps://hal.sorbonne-universite.fr/hal-01430973/documentTest
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::204f837e2215530a23517f3b46759167Testhttps://hal.sorbonne-universite.fr/hal-01371536Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea2f26ec9a6158b88028507bd5283659Testhttps://hal.science/hal-01779044Test