Nnanguma, Ahamefula Kingsley. “Retraction: Soil Erosion Vulnerability Areas in Mubi North and Mubi South Local Government Areas of Adamawa State, Nigeria”. GPH-International Journal of Agriculture and Research 8, no. 01 (February 17, 2025): 63-77. Accessed September 19, 2025. https://gphjournal.org/index.php/ar/article/view/1770.