RAMAKRISHNA, CH.; MALLIKARJUNA RAO, D.; SUBBA RAO, K.; SRINIVAS, N. Studies on Groundwater Quality in Slums of Visakhapatnam, Andhra Pradesh. Asian Journal of Chemistry, [S. l.], v. 21, n. 6, p. 4246–4250, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/18156. Acesso em: 23 nov. 2024.