FEBRITA, E. Analysis of Concentration of Heavy Metal (Pb) and Cadmium (Cd) In Waterfish (Eichhornia crassipes) in Indragiri River, Riau. International Journal of Ecophysiology, [S. l.], v. 2, n. 1, p. 24–33, 2020. DOI: 10.32734/ijoep.v2i1.3985. Disponível em: https://talenta.usu.ac.id/ijoep/article/view/3985. Acesso em: 26 aug. 2025.