“Relevance of Geographic Information Systems (GIS) and Remote Sensing (RS) to Environmental Education: A Panacea for Sustainable Development in Nigeria”, Acad. J. Interdiscip. Stud., vol. 2, no. 10, p. 75, Oct. 2013, Accessed: Apr. 29, 2024. [Online]. Available: https://www.richtmann.org/journal/index.php/ajis/article/view/1698