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CHANDRA, R; SRIVASTAVA, V K; NIRUPAM, S. A Study Of Chlorine Demand Of Various Water Sources In And Around Lucknow. Indian Journal of Community Health, [S. l.], v. 6, n. 3, p. 80–83, 1990. Disponível em: https://www.iapsmupuk.org/journal/index.php/IJCH/article/view/12. Acesso em: 23 jul. 2026.