BIEREENU-NNABUGWU, M. On the Factors of Ethio-Egyptian Origin of Classical Political Thought: A Study in Dialectics. University of Nigeria Journal of Political Economy, [S. l.], v. 5, n. 1, 2021. Disponível em: https://www.unjpe.com/index.php/UNJPE/article/view/58. Acesso em: 20 may. 2024.