Althwainy, Muntaha. N., Ibrahim. M .A Alsalman, and Jenan. H . Mahdi. 2017. “Estimation of Heavy Metal Concentrations in Solid Particles Residue Collected from Baghdad Street Dust”. Ibn AL-Haitham Journal For Pure and Applied Sciences 26 (2):1-7. https://jih.uobaghdad.edu.iq/index.php/j/article/view/453.