Invulnerability of the Chief Executive and Democratic Sustainability in Nigeria: Issues and Challenges. Global Journal of Human-Social Science, [S. l.], v. 17, n. F1, p. 17–25, 2017. Disponível em: https://www.socialscienceresearch.org/index.php/GJHSS/article/view/2255. Acesso em: 15 mar. 2026.