Achieving Environmental Sustainability (MDG7) in Nigeria: Progress so Far, Challenges and Prospects. Academic Journal of Interdisciplinary Studies, [S. l.], v. 2, n. 6, p. 47, 2013. Disponível em: https://www.richtmann.org/journal/index.php/ajis/article/view/617.. Acesso em: 11 dec. 2024.