“Achieving Environmental Sustainability (MDG7) in Nigeria: Progress so Far, Challenges and Prospects”, Acad. J. Interdiscip. Stud., vol. 2, no. 6, p. 47, Sep. 2013, Accessed: Jul. 18, 2024. [Online]. Available: https://www.richtmann.org/journal/index.php/ajis/article/view/617