1. Abu Dawud Sulaiman bin Ash’ath (2008) English Translation of Sunan Abu Dawud. Vol. 3, (Hadith No.2669). Darus Salam, Riyadh
2. Ainoko I (2017) Boko Haram: A Jihad without Religionz Vanguard, 13 August 2017. Available from https://www.vanguardngr.com/2017/08/boko-haram-jihad-without-religion/ [accessed 9 September 2018]
3. Al-Dawoody A (2011) The Islamic law of war: Regulations and justifications. Palgrave Macmillan, New York
4. Al-Dawoody A (2017) Islamic Law and International Humanitarian Law: An Introduction to the Main Principles. IRRC 99:3, 995-1018
5. Aljazeera (2011) Blast Rocks Police Headquarters in Nigeria. Aljazeera, 16 June 2011. Available from http://www.aljazeera.com/news/africa/2011/06/2011616111451344807.html [accessed 10 May 2018]