الإتاحة: http://platform.almanhal.com/EDS/Details/?id=2-55251
الإتاحة: http://platform.almanhal.com/EDS/Details/?id=2-22213
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::5508400c4439f853de67e8146c9eda9dhttps://doi.org/10.12816/0017792