Sawyerr, Henry, Edet Otto, and Micheal Akinyemi. “Environmental Sustainability: Ecological Footprint Analysis of Ibadan North, Nigeria”. Green and Low-Carbon Economy 3, no. 4 (October 25, 2024): 386–393. Accessed November 3, 2025. https://ojs.bonviewpress.com/index.php/GLCE/article/view/3638.