Leite, Bruna Jann, Nilo Eduardo Kehrwald Zimmermann, and Vera Lucia Duarte Ferreira. “Use of Multivariate Statistics to Analyze Physical-Chemical Factors in Sludge from a Water Treatment Plant in Rio Grande Do Sul”. Ciência e Natura 43 (July 14, 2022): e7. Accessed October 18, 2024. https://periodicos.ufsm.br/cienciaenatura/article/view/66990.