Mendoza-Coloma, E. and León Gross, A. 2000. Semi-quantitative field method for quantifying sodium hypochlorite in commercially sold chlorine solutions: Analysis of total residual chlorine in drinking water and swimming pool water. Revista Científica. 13, 1 (Dec. 2000), 55–56. DOI:https://doi.org/10.54495/Rev.Cientifica.v13i1.413.