URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::56dab41ea978366ca258acbbed255fb3https://doi.org/10.21608/aafu.2020.119228
الإتاحة: http://search.mandumah.com/Record/1092202
الإتاحة: http://search.mandumah.com/Record/163990
الإتاحة: http://search.mandumah.com/Record/1092196