Nida Rizvi and  Deeksha Katyal and  Varun Joshi,  A Multivariate Statistical Approach for Water Quality Assessment of River Hindon, India.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2016, vol. 109(1). 6 - 11
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10003212.