الإتاحة: http://platform.almanhal.com/EDS/Details/?id=2-99362
الإتاحة: http://platform.almanhal.com/EDS/Details/?id=2-74180
الإتاحة: http://platform.almanhal.com/EDS/Details/?id=2-62044
الإتاحة: http://platform.almanhal.com/EDS/Details/?id=4-23348
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::185460513b5c112956b5f942d8e1d56b