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: http://iapsmupuk.org/journal/index.php/IJCH/article/view/12. Acesso em: 24 nov. 2024.