CASTRO ECHAVEZ, Fernando Luis; MARÍN-LEAL, Julio César. Ecotoxicological effect of heavy metals in free-living ciliate protozoa of Lake Maracaibo, Venezuela. Journal of Water and Land Development, [S. l.], v. 51, n. 51, p. 102–116, 2021. DOI: 10.24425/jwld.2021.139020. Disponível em: https://wydawnictwo.pan.pl/index.php/jwld/article/view/4627. Acesso em: 20 oct. 2026.