J. J. Madrama and J. W. Mwangi, “The Influence of Private Security Companies’ Infrastructure on the Provision of Services for the NGOs in Juba city, South Sudan”, Afr. Quarterly S.S. Review, vol. 1, no. 4, pp. 89–98, Nov. 2024, doi: 10.51867/AQSSR.1.4.7.