Groundwater quality assessment by WQI and GIS tools in the villages of Bukkapatnam Mandal, Anantapur district, Andhra Pradesh (India). International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 2, n. 4, p. 537–544, 2015. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/697. Acesso em: 28 jul. 2025.