“A Study of Mobile Inbound Roamers Data During Occupation Period 2008-2009 In Iraq”. Ibn AL-Haitham Journal For Pure and Applied Sciences 26, no. 3 (April 24, 2017): 437–447. Accessed April 27, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/452.