Domański, Czesław; Kubacki, Robert - In: Statistics in Transition new series (SiTns) 23 (2022) 2, pp. 153-161
One of the Sustainable Development Goals (Goal 6) set by the United Nations is to provide people with access to water and sanitation through sustainable water resources management. Water supply companies carrying out tasks commissioned by local authorities ensure there is an optimal amount of...