RADONJIC, V.; LJUBISAVLJEVIC, A. K.; STOJANOVIC, M. Quality of Experience and Users Elasticity Considerations for Modelling Competition between Service Providers in NGN. Elektronika ir Elektrotechnika, [S. l.], v. 18, n. 8, p. 113-116, 2012. DOI: 10.5755/j01.eee.18.8.2640. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/2640. Acesso em: 27 nov. 2021.