N. Anand and K. R. Devi, “Efficient Removal of Nickel, Zinc, Chromium, and Cobalt from Acid Mine Drainage using Constructed Wetlands: Impact of Vegetation and Hydraulic Retention Time”, Eng. Technol. Appl. Sci. Res., vol. 15, no. 2, pp. 21335–21341, Apr. 2025.