MALOVANYY, Myroslav, BOIARYN, Maria, BIEDUNKOVA, Olha, VOLOSHYN, Volodymyr, NETROBCHUK, Iryna and STATNYK, Ihor. Ecological assessment of surface water quality in the upper Pripyat river basin based on hydrochemical indicators. Ecological Questions. Online. 29 June 2026. Vol. 37, no. 3, pp. 1-17. [Accessed 25 July 2026]. DOI 10.12775/EQ.2026.037.