WASET
Karina, A. , Avila-Pesántez, D. , Vaca-Cárdenas, L. , Arellano, A. , Mantilla, C.. "Towards a Security Model against Denial of Service Attacks for SIP Traffic". World Academy of Science, Engineering and Technology, Open Science Index 133, International Journal of Economics and Management Engineering (2018), 12(1), 82 - 87.