Evaluation of physical-chemical parameters of an effluent treatment station from a refrigerated slaughterhouse in São Luís – MA. Research, Society and Development, [S. l.], v. 11, n. 9, p. e50511932056, 2022. DOI: 10.33448/rsd-v11i9.32056. Disponível em: https://rsdjournal.org/rsd/article/view/32056. Acesso em: 5 dec. 2025.