WASET
    A.L. Seetharam and  B.L. Udaya Simha,  Urban Air Pollution – Trend and Forecasting of Major Pollutants by Timeseries Analysis.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2009, vol. 27(3). 159 - 162
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/5018.