1.
ANDRUSIEWICZ, Kinga, CZAPSKA, Mirella and NIERADKO-IWANICKA, Barbara. Detection of carbonates in water softeners. Journal of Education, Health and Sport. Online. 11 June 2020. Vol. 10, no. 6, pp. 82-87. [Accessed 8 July 2025]. DOI 10.12775/JEHS.2020.10.06.008.