user22, user2, 		al-Samarrai, D: Qusay, AND 		Alwan, Mostafa.
" Relationship between rainfall and dust storms in the wavy region" <em>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</em> [Online], Volume 23 Number 6 (4 April 2019)