Zajkowski, A., Łukasz Wysocki, P. Tuz, I. Bartkowska, and W. Kruszynski. “Use of Hydraulic Model in Real Water Loss Reduction and Water Distribution Network Operational Cost Lowering”. Economics and Environment, vol. 81, no. 2, July 2022, pp. 186-02, doi:10.34659/eis.2022.81.2.474.