1. World Health Organization: Guidelines for Drinking-water Quality. Fourth Edition. World Health Organization, p. xv (2011)
2. Capella, J.V., Flores Vazquez, M.E., Navarro, J.: Proposal of a network for intelligent monitoring of chlorine level in water-drinking water in treatment plants of small rural communities. In: Proposal of a Network for Intelligent Monitoring of Chlorine Level in Water-Drinking Water in Treatment Plants of Small Rural Communities, Editorial UPV, pp. 1–3 (2019)
3. Segovia Cobos, A., Flores Vázquez, M.: Sistema de telemonitoreo del nivel de cloro presente en agua potabilizada. http://dspace.ups.edu.ec/handle/123456789/18450, Accessed 12 Mar 2022
4. Sensorex: Oxidation Reduction Potential (ORP). https://sensorex.com/oxidation-reduction-potential-orp/, Accessed 15 Mar 2022
5. Sensorex: Free Chlorine Amperometric Sensors. https://sensorex.com/wp-content/uploads/2021/09/FCL5-Instructions.pdf, Accessed 15 May 2022