TYAGNIJ, L.; STEPOVA, O. Biotesting of Surface Waters of the Vorskla River Using Three Test Organisms as Indicators. Science and Innovation, Ukraine, v. 22, n. 2, p. 84–98, 2026. DOI: 10.15407/scine22.02.084. Disponível em: https://scinn-eng.org.ua/ojs/index.php/ni/article/view/1134. Acesso em: 23 apr. 2026.