Kostić-Ljubisavljević, Aleksandra, Snežana Mladenović, and Vladanka Aćimović-Raspopović. “The Analysis of Telecom operator’s Revenue Dependence on Different Routing and Interconnection Charging Methods”. Technological and Economic Development of Economy 18, no. 4 (December 20, 2012): 608-622. Accessed November 26, 2024. https://jau.vgtu.lt/index.php/TEDE/article/view/4724.