Mahammed E. Jabbar Al-Defiery, Abbas Khudair Abbas, and Mouayed Abed Alwahed. “Quantities of Falling Dust in the Province of Babylon from 2009 to 2012”. Journal of Madenat Alelem University College, Vol. 9, no. 1, June 2017, pp. 117-30, https://journal.mauc.edu.iq/index.php/JMAUC/article/view/102.