OKE, Sunday Ayoola. A review on environmental research. Journal of Environmental Engineering and Landscape Management, [S. l.], v. 12, n. 4, p. 153–157, 2004. DOI: 10.3846/16486897.2004.9636837. Disponível em: https://journals.vilniustech.lt/index.php/JEELM/article/view/8107. Acesso em: 10 may. 2025.