Articles The Islamic state after the caliphate (2019-10-14) Tønnessen, Truls Tønnessen, Truls. The Islamic state after the caliphate. Perspectives on Terrorism 2019 ;Volum 13.(1) s. 2-12
Articles Islamic State and Technology – A Literature Review (2017) Tønnessen, Truls Tønnessen, Truls. Islamic State and Technology – A Literature Review. Perspectives on Terrorism 2017 ;Volum 11.(6)