RUPA KUMARI G; KALYANARAMU B; SRAVYA B. Groundwater quality assessment in nellimarla area of vizianagaram district, andhrapradesh, india. Nanoscale Reports, [S. l.], v. 4, n. 3, p. 4 – 6, 2021. DOI: 10.26524/nr.4.9. Disponível em: http://nanoscalereports.com/index.php/nr/article/view/72. Acesso em: 9 oct. 2025.