Ribeiro, Elisa Franco, Débora Maria Moreno Luzia, e Neuza Jorge. 2019. “Antioxidant Compounds Extraction from Coffee Husks: The Influence of Solvent Type and Ultrasound Exposure Time”. Acta Scientiarum. Technology 41 (1):e36451. https://doi.org/10.4025/actascitechnol.v41i2.36451.