Mathialagan, K.R.P. , Mansor, H.E. , Mardhiya, A. , Kamal, Z.A. and Ali Khan, M.M. 2018. Groundwater quality assessment of domestic shallow dug wells in parts of Tanah Merah district, Malaysia. Journal of Tropical Resources and Sustainable Science (JTRSS) . 6, 2 (Dec. 2018), 62–67. DOI:https://doi.org/10.47253/jtrss.v6i2.562.