KOVACOVA, Zdenka; DEMCAK, Stefan; BALINTOVA, Magdalena. Removal of copper, zinc and iron from water solutions by spruce sawdust adsorption. Economics and Environment, Poland, v. 70, n. 3, p. 11, 2019. Disponível em: https://ekonomiaisrodowisko.pl/journal/article/view/71.. Acesso em: 10 may. 2025.