Radonjic, V., Ljubisavljevic, A.K. and Stojanovic, M. 2012. Quality of Experience and Users Elasticity Considerations for Modelling Competition between Service Providers in NGN. Elektronika ir Elektrotechnika. 18, 8 (Oct. 2012), 113-116. DOI:https://doi.org/10.5755/j01.eee.18.8.2640.