@Article{536760,
     author = "Sherif Shehata",
     title = "Threats of modern terrorist organizations and state sponsored terrorism : the case of Islamic State",
     year =  2015,
     volume =  ,
     number =  19,
     journal =  Kultura Bezpieczeństwa. Nauka-Praktyka-Refleksje,
     pages =  s. 216-233,
    }