OKE, Sunday Ayoola. On the environmental pollution problem: A review. Journal of Environmental Engineering and Landscape Management, [S. l.], v. 12, n. 3, p. 108–113, 2004. DOI: 10.3846/16486897.2004.9636828. Disponível em: https://journals.vilniustech.lt/index.php/JEELM/article/view/8097. Acesso em: 11 may. 2025.