Bala Muhammed, PhD., et al. “Reflections On Transparency International’s Corruption Perception Index Ranking: Nigeria In Perspective”. Emerging Frontiers Library for The American Journal of Social Science and Education Innovations, vol. 7, no. 10, Oct. 2025, pp. 48-61, https://emergingsociety.org/index.php/efltajssei/article/view/411.