Hart, G. L., and D. S. Burabari. “The Proverbial ‘National Cake’: Towards Building the Nigerian Commonwealth in a Multi-Ethnic Society, Niger Delta in Focus”. The International Journal of Humanities & Social Studies, vol. 8, no. 6, Oct. 2020, doi:10.24940/theijhss/2020/v8/i6/HS2006-085.