Yigam, John, Narah Welly, Chukhu Naka, and Ajay Bharti, trans. 2026. “Heavy Metal Pollution Assessment Of Groundwater In The Itanagar Capital Region Using Hpi ”. International Journal of Aquatic Research and Environmental Studies 6 (S2): 492-504. https://doi.org/10.70102/krvh1b04.