ZAKKA, S. D.; PERMANA, A. S.; MAJID, M. R.; DANLADI, A.; BAKO, P. E. Urban Greenery a pathway to Environmental Sustainability in Sub Saharan Africa: A Case of Northern Nigeria Cities. International Journal of Built Environment and Sustainability, [S. l.], v. 4, n. 3, 2017. DOI: 10.11113/ijbes.v4.n3.211. Disponível em: https://ijbes.utm.my/index.php/ijbes/article/view/211. Acesso em: 11 aug. 2022.