M. Atroshey S, R. Tabany M. Analysis and Optimization Performance of the QOS in GSM/EDGE Networks(English). AREJ [Internet]. 2012 Oct. 1 [cited 2025 Sep. 28];20(5):26-34. Available from: https://jwups.uomosul.edu.iq/index.php/arej/article/view/30772