D, Sarala Thambavani, and Saravana Kumar R. “Correlation Analysis and Exceedence Factor Among the Ambient Gaseous Pollutants and Particulate Matter in Urban Area”. Journal of Research in Biology 2, no. 3 (April 16, 2012): 232-240. Accessed October 6, 2024. https://ojs.jresearchbiology.com/ojs1/index.php/jrb/article/view/211.