Estevam M, Silva AW da, Silva FF da. Physical analysis of entry water in the agro-industry system of tannery in the city of Maringá- Paraná. CeN [Internet]. 2019 Jul. 16 [cited 2025 Jan. 24];41:e16. Available from: https://periodicos.ufsm.br/cienciaenatura/article/view/36610