Alaw Al-Samarrai, Bakir Mahmood.
" Alqada' walqadr fi aleaqidat al'iislamia drrasat eaqdiat mqarn" <em>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</em> [Online], Volume 25 Number 9 (22 March 2019)