Ram Prakash, et al. “Survey and Mapping of Groundwater Quality of Sonipat Block in Sonipat District of Haryana, India: Ground Water Quality of Sonipat Block”. Journal of Soil Salinity and Water Quality, vol. 13, no. 2, Aug. 2023, pp. 221-7, https://epubs.icar.org.in/index.php/JoSSWQ/article/view/140164.