P. O. Ujomu, « 2 - Institutionalised Marginality, Social Conflicts and the Quest for National Unity in an African Nation-State: A Theoretical Exploration: 10.4314/ad.v28i2.22175 », AD, vol. 28, nᵒ 3-4, déc. 2003, doi: 10.4314/ad.v28i2.22175.