Baehaki, F., Wahyudin, Y., Perdana, R., Nurfajar, A.S. and Syaripudin, Z.I. 2021. Analysis of chromium(IV) levels in residents’ well water around the Citarum River, Indonesia: Bahasa Indonesia. Journal of Sustainability Science and Technology. 1, 1 (Jun. 2021), 13-22. DOI:https://doi.org/10.23960/josst.v1i1.2.