Третьяков, О. В., Т. О. Шевченко, and В. Л. Безсонний. “Improving the Environmental Safety of Drinking Water Supply in Kharkiv Region (Ukraine)”. Eastern-European Journal of Enterprise Technologies, vol. 5, no. 10(77), Oct. 2015, pp. 40-49, doi:10.15587/1729-4061.2015.51398.