1. Ahma-Aho, S., & Surakka, T. (2011). Benchmark of 3D virtual environments. URL: https://blogs.aalto.fi/allthingsvirtual/files/2011/06/Benchmark_Report1.pdfhttps://blogs.aalto.fi/allthingsvirtual/files/2011/06/Benchmark_Report1.pdf, Accessed 20/06/2018.
2. Digital forensics and cyber crime: 7th international conference, icdf2c 2015, Seoul, South Korea, October 6–8, 2015. Revised selected papers. Chapter Cyber Peacekeeping;Akatyev,2015
3. Ceasefire agreements and peace processes;Akebo,2016
4. Critical infrastructure protection: Requirements and challenges for the 21st century;Alcaraz;International Journal of Critical Infrastructure Protection,2015