URL الوصول: https://doaj.org/article/1e34af3440b942d78a2016b8723bcf08
الإتاحة: http://search.mandumah.com/Record/1329942
الإتاحة: http://search.mandumah.com/Record/1193096
الإتاحة: http://search.mandumah.com/Record/960486