RAPHAEL , A. D. .; TAMBOU, J. T. . A comparative analysis of the federal system in USA and Nigeria and its impact on national unity and development. Journal of Global Social Sciences, [S. l.], v. 4, n. 15, p. 142–170, 2023. DOI: 10.58934/jgss.v4i15.190. Disponível em: https://journalsglobal.com/index.php/jgss/article/view/190. Acesso em: 22 dec. 2024.