Figure 4. Chart showing the plot of average noise level in SOET. (Noise level Against Time)

From

Noise in a Nigerian University

Amakom M. Chijioke, Ukewuihe U. Mathias, Nwokolo V. Ifeanyi, Igbo C. George

Journal of Environment Pollution and Human Health. 2019, 7(2), 53-61 doi:10.12691/jephh-7-2-1