Estevam, Marcelo, Adriano Willian da Silva, and Frederico Fonseca da Silva. “Physical Analysis of Entry Water in the Agro-Industry System of Tannery in the City of Maringá- Paraná”. Ciência e Natura 41 (July 16, 2019): e16. Accessed September 17, 2024. https://periodicos.ufsm.br/cienciaenatura/article/view/36610.