KLOSOK-BAZAN, I.; WITSANKO-SNIEZEK, A. Sustainable Development in the Context of Hard Water Treatment. Economic and Environmental Studies, [S. l.], v. 17, n. 4 (44), 2020. DOI: 10.25167/ees.2017.44.31. Disponível em: https://czasopisma.uni.opole.pl/index.php/ees/article/view/2740. Acesso em: 30 oct. 2024.