Neckel, Alcindo, Emanuelle Goellner, and Tauana Bertoldi. 2016. “The Efficiency in the Treatment of Effluent Bullets Industry With Sludge Modification in Anaerobic”. Revista Eletrônica Em Gestão, Educação E Tecnologia Ambiental 20 (1):427-37. https://doi.org/10.5902/2236117020022.