Shaikh, G H, Tanveer Ahmad, and Khalid Islam. “Traffic Noise in Lahore City, Pakistan. Part II. Vehicular Contribution to Traffic Noise”. Biological Sciences - PJSIR 49, no. 4 (August 28, 2006): 256–260. Accessed July 3, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/1188.