WASET
    N. Kannan and  Sabu Joseph,  Quality of Groundwater in the Shallow Aquifers of a Paddy Dominated Agricultural River Basin, Kerala, India.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2009, vol. 28(4). 223 - 241
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/3883.