Variation of Free Residual Chlorine in the Drinking Water Distribution Network of Santa Ana, Huancavelica. GnosisWisdom, [S. l.], v. 6, n. 1, p. 20–31, 2026. DOI: 10.54556/gnosiswisdom.v6i1.107. Disponível em: https://www.journal.gnosiswisdom.pe/index.php/revista/article/view/107. Acesso em: 21 jul. 2026.