Okolie, Chukwuma. “Spatial and Statistical Analysis of Environmental Noise Levels in the Main Campus of the University of Lagos”. The Journal of Engineering Research [TJER] 17, no. 2 (December 30, 2020): 75–88. Accessed February 26, 2021. https://journals.squ.edu.om/index.php/tjer/article/view/3484.