Pazuch, F. A., Siqueira, J., Friedrich, L., Lenz, A. M., Nogueira, C. E. C., & Souza, S. N. M. de. (2017). <b>Co-digestion of crude glycerin associated with cattle manure in biogas production in the State of Paraná, Brazil. Acta Scientiarum. Technology, 39(2), 149–159. https://doi.org/10.4025/actascitechnol.v39i2.29167