G. Venkata Rao and  P. Kalpana and  R. Srinivasa Rao,  Estimation of Aquifer Properties Using Pumping Tests: Case Study of Pydibhimavaram Industrial Area, Srikakulam, India.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2015, vol. 105(9). 1170 - 1174
    [viewed 28 March 2020]. Available from: https://publications.waset.org/pdf/10002811.