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 19 September 2024]. Available from: https://publications.waset.org/pdf/3883.