Description and analysis of a terrorist group: Boko Haram.: An example of the (inter) national risks produced by a failed state. Journal of the Spanish Institute for Strategic Studies, [S. l.], n. 18, p. 177–208 / 569, 2022. Disponível em: https://revista.ieee.es/revistaieee/article/view/3827. Acesso em: 13 jun. 2026.